remove expected-error from #if 0 section of code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59772 91177308-0d34-0410-b5e6-96231b3b80d8

test/Sema/predefined-function.c

@@ -26,8 +26,8 @@ int bar() // expected-error {{redefinition of 'bar'}}
 }
 
 #if 0
-int foobar(int); // expected-error {{previous declaration is here}}
-int foobar() // expected-error {{conflicting types for 'foobar'}}
+int foobar(int); // error {{previous declaration is here}}
+int foobar() // error {{conflicting types for 'foobar'}}
 {
 	return 0;
 }