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-rw-r--r--src/libstd/num/cmath.rs6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/libstd/num/cmath.rs b/src/libstd/num/cmath.rs
index 0c515538266..aed3601060b 100644
--- a/src/libstd/num/cmath.rs
+++ b/src/libstd/num/cmath.rs
@@ -18,8 +18,7 @@ pub mod c_double_utils {
     use libc::{c_double, c_int};
 
     #[link_name = "m"]
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         // Alpabetically sorted by link_name
 
         pub fn acos(n: c_double) -> c_double;
@@ -107,8 +106,7 @@ pub mod c_float_utils {
     use libc::{c_float, c_int};
 
     #[link_name = "m"]
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         // Alpabetically sorted by link_name
 
         #[link_name="acosf"]