vp8_decode: declare 2 variables volatile

fixes -Wclobbered warnings with gcc 12.1.0:
vp8/vp8_dx_iface.c|278 col 16| warning: variable 'w' might be clobbered
by 'longjmp' or 'vfork' [-Wclobbered]
vp8/vp8_dx_iface.c|278 col 19| warning: variable 'h' might be clobbered
by 'longjmp' or 'vfork' [-Wclobbered]

Change-Id: Ib2c606a3450188d7869c066cacaf5615d9746181

diff --git a/vp8/vp8_dx_iface.c b/vp8/vp8_dx_iface.c
index 6d88e51..55a77ba 100644 (file)
--- a/vp8/vp8_dx_iface.c
+++ b/vp8/vp8_dx_iface.c
@@ -275,7 +275,7 @@ static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx,
                                   void *user_priv, long deadline) {
   volatile vpx_codec_err_t res;
   volatile unsigned int resolution_change = 0;
-  unsigned int w, h;
+  volatile unsigned int w, h;
 
   if (!ctx->fragments.enabled && (data == NULL && data_sz == 0)) {
     return 0;