Fix some pretty printing indents.

Indents for `cbox` and `ibox` are 0 or `INDENT_UNIT` (4) except for a
couple of places which are `INDENT_UNIT - 1` for no clear reason.

This commit changes the three space indents to four spaces.

1 files changed, 27 insertions, 27 deletions

diff --git a/tests/pretty/hir-if-else.pp b/tests/pretty/hir-if-else.pp
index 551f24c6900..072e050d3e0 100644
--- a/tests/pretty/hir-if-else.pp
+++ b/tests/pretty/hir-if-else.pp
@@ -16,33 +16,33 @@ fn f(x: u32,
                     {
                         a = 1;
                     } else if x < 2
-                       {
-                           a = 2;
-                       } else if x < 3
-                          {
-                              a = 3;
-                          } else if x < 4 { a = 4; } else { a = 5; }
+                        {
+                            a = 2;
+                        } else if x < 3
+                            {
+                                a = 3;
+                            } else if x < 4 { a = 4; } else { a = 5; }
 
-                             if x < y
-                                     {
-                                         a += 1;
-                                         a += 1;
-                                         a += 1;
-                                         a += 1;
-                                         a += 1;
-                                         a += 1;
-                                     } else { a += 1; a += 1; a += 1; a += 1; a += 1; a += 1; }
+                                if x < y
+                                        {
+                                            a += 1;
+                                            a += 1;
+                                            a += 1;
+                                            a += 1;
+                                            a += 1;
+                                            a += 1;
+                                        } else { a += 1; a += 1; a += 1; a += 1; a += 1; a += 1; }
 
-                                     if x < 1
-                                             {
-                                                 if x < 2
-                                                         {
-                                                             if x < 3
-                                                                     {
-                                                                         a += 1;
-                                                                     } else if x < 4
-                                                                        { a += 1; if x < 5 { a += 1; } }
-                                                                        } else if x < 6 { a += 1; } }
-                                                                 }
+                                        if x < 1
+                                                {
+                                                    if x < 2
+                                                            {
+                                                                if x < 3
+                                                                        {
+                                                                            a += 1;
+                                                                        } else if x < 4
+                                                                            { a += 1; if x < 5 { a += 1; } }
+                                                                            } else if x < 6 { a += 1; } }
+                                                                    }
 
-                                                             fn main() { f(3, 4); }
+                                                                fn main() { f(3, 4); }