Applied patch from 'mitch' to improve error detection when streaming.

git-svn-id: http://svn.zoneminder.com/svn/zm/trunk@2864 e3e1d417-86f3-4887-817a-d78f3d33393f

src/zm_event.cpp

@@ -1235,7 +1235,7 @@ bool EventStream::sendFrame( int delta_us )
                 break;
         }
         fprintf( stdout, "Content-Length: %d\r\n\r\n", img_buffer_size );
-        if ( fwrite( img_buffer, img_buffer_size, 1, stdout ) < 0 )
+        if ( fwrite( img_buffer, img_buffer_size, 1, stdout ) != 1 )
         {
             Error( "Unable to send stream frame: %s", strerror(errno) );
             return( false );

src/zm_image.cpp

@@ -295,7 +295,7 @@ bool Image::WriteRaw( const char *filename ) const
 		return( false );
 	}
 
-	if ( fwrite( buffer, size, 1, outfile ) < 1 )
+	if ( fwrite( buffer, size, 1, outfile ) != 1 )
     {
         Error( "Unable to write to '%s': %s", filename, strerror(errno) );
         return( false );