Fix ST_CTIME_NSEC and ST_MTIME_NSEC macros on Android.

diff -u -r ../git-1.8.5.3/git-compat-util.h ./git-compat-util.h
--- ../git-1.8.5.3/git-compat-util.h    2014-01-14 18:10:09.000000000 +0100
+++ ./git-compat-util.h 2014-01-22 13:07:19.000000000 +0100
@@ -657,6 +657,10 @@
 # define FORCE_DIR_SET_GID 0
 #endif

+#ifdef __ANDROID__
+#define ST_CTIME_NSEC(st) ((unsigned int)((st).st_ctime_nsec))
+#define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtime_nsec))
+#else
 #ifdef NO_NSEC
 #undef USE_NSEC
 #define ST_CTIME_NSEC(st) 0
@@ -670,6 +674,7 @@
 #define ST_MTIME_NSEC(st) ((unsigned int)((st).st_mtim.tv_nsec))
 #endif
 #endif
+#endif

 #ifdef UNRELIABLE_FSTAT
 #define fstat_is_reliable() 0

