Avoid MinGW64 compiler warnings.

 nt/inc/ms-w32.h (sys_localtime) [_W64]: Provide a prototype, to
 avoid MinGW64 compiler warnings in editfns.c.

2 files changed, 7 insertions, 0 deletions

diff --git a/nt/ChangeLog b/nt/ChangeLog
index 6a9c35c13ae..398d04e52a0 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,5 +1,8 @@
 2013-03-27  Eli Zaretskii  <eliz@gnu.org>
 
+        * inc/ms-w32.h (sys_localtime) [_W64]: Provide a prototype, to
+        avoid MinGW64 compiler warnings in editfns.c.
+
         Fix rules for parallel builds.
         * makefile.w32-in (ALL): Depend on *.exe files, not on phony names
         without the .exe suffix.
diff --git a/nt/inc/ms-w32.h b/nt/inc/ms-w32.h
index a2111da6f3e..cd183c917c4 100644
--- a/nt/inc/ms-w32.h
+++ b/nt/inc/ms-w32.h
@@ -161,6 +161,10 @@ extern char *getenv ();
 /* Make sure 'struct timespec' and 'struct timezone' are defined.  */
 #include <sys/types.h>
 #include <time.h>
+/* This prototype avoids MinGW64 compiler warnings due to the fact
+   that time.h is included before localtime is redirected to
+   sys_localtime below.  */
+extern struct tm * sys_localtime (const time_t *);
 /* MinGW64 uses a 2-argument _setjmp, and setjmp is a macro defined to
    supply the 2nd arg correctly, so don't use _setjmp directly in that
    case. */