Reduce the number of warnings about missing initializers.

diff --git a/files/dos_fs.c b/files/dos_fs.c
index 5c1da9a..6db2181 100644
--- a/files/dos_fs.c
+++ b/files/dos_fs.c
@@ -1489,7 +1489,7 @@
                     const char *long_mask, int drive, BYTE attr,
                     int skip, WIN32_FIND_DATAA *entry )
 {
-    static FIND_FIRST_INFO info = { NULL };
+    static FIND_FIRST_INFO info;
     LPCSTR short_name, long_name;
     int count;