gstmsdkdec: fix logical operation that misses parenthesis

in C, & is weaker than the ! operator and clang is giving the following
error about it.

```
../subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c:731:7: error: logical not is only applied to the left hand side of this bitwise operator [-Werror,-Wlogical-not-parentheses]
  if (!gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER) {
      ^                                              ~
../subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c:731:7: note: add parentheses after the '!' to evaluate the bitwise operator first
  if (!gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER) {
      ^
       (                                                                   )
../subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c:731:7: note: add parentheses around left hand side expression to silence this warning
  if (!gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER) {
      ^
      (                                             )
1 error generated.
```

diff --git a/sys/msdk/gstmsdkdec.c b/sys/msdk/gstmsdkdec.c
index 846b2e8397376745ec0ddd478290e3d35947609d..86ba58b1e1c9a4b39b79b087fa1453badc77b0b1 100644 (file)
--- a/sys/msdk/gstmsdkdec.c
+++ b/sys/msdk/gstmsdkdec.c
@@ -728,7 +728,7 @@ gst_msdkdec_context_prepare (GstMsdkDec * thiz)
   GST_INFO_OBJECT (thiz, "Found context %" GST_PTR_FORMAT " from neighbour",
       thiz->context);
 
-  if (!gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER) {
+  if (!(gst_msdk_context_get_job_type (thiz->context) & GST_MSDK_JOB_DECODER)) {
     gst_msdk_context_add_job_type (thiz->context, GST_MSDK_JOB_DECODER);
     return TRUE;
   }