And added the necessary functions on OS X. Now to do some final cleanup before merging back in (at long last).

darwin/fontbutton.m

@@ -224,3 +224,9 @@ uiFontButton *uiNewFontButton(void)
 
 	return b;
 }
+
+void uiFreeFontButtonFont(uiFontDescriptor *desc)
+{
+	// TODO ensure this is synchronized with fontmatch.m
+	uiFreeText((char *) (desc->Family));
+}

darwin/text.m

@@ -17,3 +17,8 @@ void uiFreeText(char *s)
 {
 	free(s);
 }
+
+int uiprivStricmp(const char *a, const char *b)
+{
+	return strcasecmp(a, b);
+}