Properly export all external symbols in Win32

Some external functions were not being exported because they were using
the 'extern' keyword instead of the generic GIT_EXTERN() macro.

Signed-off-by: Vicent Marti <tanoku@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/map.h b/src/map.h
index 3188ffdbb..2388bb345 100644
--- a/src/map.h
+++ b/src/map.h
@@ -25,7 +25,7 @@ typedef struct {  /* memory mapped buffer   */
 #endif
 } git_map;
 
-extern int git__mmap(git_map *out, size_t len, int prot, int flags, int fd, off_t offset);
-extern int git__munmap(git_map *map);
+GIT_EXTERN(int) git__mmap(git_map *out, size_t len, int prot, int flags, int fd, off_t offset);
+GIT_EXTERN(int) git__munmap(git_map *map);
 
 #endif /* INCLUDE_map_h__ */