shithub: openh264

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Check the right pointer for being non-null in WelsLogDefault

In case the log level was invalid, GetLogTag returns null.
Checking pCtx doesn't make sense since nothing within the
if block uses pCtx.

--- a/codec/encoder/core/src/utils.cpp

+++ b/codec/encoder/core/src/utils.cpp

@@ -207,7 +207,7 @@

       int32_t i_shift = 0;

       str_t* pStr = NULL;

       pStr	= GetLogTag (kiLevel, &i_shift);

-      if (NULL != pCtx) {

+      if (NULL != pStr) {

         int32_t iLenTag = strlen (pStr);	// confirmed_safe_unsafe_usage

         STRCAT (&pBuf[iBufUsed], iBufLeft, pStr);	// confirmed_safe_unsafe_usage

         iBufUsed += iLenTag;