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-rw-r--r--GTMDefines.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/GTMDefines.h b/GTMDefines.h
index 630885c..59a1723 100644
--- a/GTMDefines.h
+++ b/GTMDefines.h
@@ -374,7 +374,7 @@
// Declared here so that it can easily be used for logging tracking if
// necessary. See GTMUnitTestDevLog.h for details.
@class NSString;
-GTM_EXTERN void _GTMUnitTestDevLog(NSString *format, ...);
+GTM_EXTERN void _GTMUnitTestDevLog(NSString *format, ...) NS_FORMAT_FUNCTION(1, 2);
// Macro to allow you to create NSStrings out of other macros.
// #define FOO foo