Rename variadic to c_variadic

Function signatures with the `variadic` member set are actually
C-variadic functions. Make this a little more explicit by renaming the
`variadic` boolean value, `c_variadic`.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 27b0cfb1630..0bdc7fd60cb 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -985,7 +985,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         P(ast::FnDecl {
             inputs,
             output,
-            variadic: false
+            c_variadic: false
         })
     }