qemu-img: Fix type of getopt return value (Kevin Wolf)

getopt doesn't return a char but an int.
Signed-off-by: NKevin Wolf <kwolf@suse.de>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6331 c046a42c-6fe2-441c-8c8c-71466251a162

qemu-img.c

@@ -751,8 +751,7 @@ static void img_snapshot(int argc, char **argv)
     BlockDriverState *bs;
     QEMUSnapshotInfo sn;
     char *filename, *snapshot_name = NULL;
-    char c;
-    int ret;
+    int c, ret;
     int action = 0;
     qemu_timeval tv;