Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
dawglib.c:81:5: warning: ignoring return value of âfgetsâ declared with attribute âwarn_unused_resultâ [-Wunused-result]
   81 |     fgets (gbuffer + off, STRINGSIZE - off, fp); /* includes NL */
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compiler warning `fgets` return values is being ignored.