Remove non-ascii chaaracter from diagnostic


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45836 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/objc-missing-impl.m b/test/Parser/objc-missing-impl.m
index 062130d..7d38371 100644
--- a/test/Parser/objc-missing-impl.m
+++ b/test/Parser/objc-missing-impl.m
@@ -1,2 +1,2 @@
 // RUN: clang -fsyntax-only -verify %s
-@end // expected-warning {{‘@end’ must appear in an @implementation context}}
+@end // expected-warning {{@end must appear in an @implementation context}}