Pull and merge from https://bitbucket.org/lindenlab/viewer-development.

.hgtags

@@ -368,3 +368,4 @@ f4481df42f9a4a92bf475a80f0c51d1a4bbdfd59 DRTVWR-246
 39c5204b6e800983a41ccac8ad6dc993120197c6 DRTVWR-247
 7c7d57d393e8ae7b61623279de06eb4a62ccae6a DRTVWR-249
 f72b50ef168c159d6e79e97aa2bcafaf8577ab99 DRTVWR-230
+b418be80903520c492e1173f3afbc4021cad5d07 DRTVWR-255

indra/llwindow/llwindowsdl.cpp

@@ -2646,8 +2646,9 @@ std::vector<std::string> LLWindowSDL::getDynamicFallbackFontList()
 	if (sortpat)
 	{
 		// Sort the list of system fonts from most-to-least-desirable.
+		FcResult result;
 		fs = FcFontSort(NULL, sortpat, elide_unicode_coverage,
-				NULL, NULL);
+				NULL, &result);
 		FcPatternDestroy(sortpat);
 	}