core/string: Use g_utf8_collate() for string comparisons

This function compares strings using "linguistically correct rules for
the current locale".

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

core/string.c

@@ -85,5 +85,5 @@ int string_compare(const gchar *lhs, const gchar *rhs)
 	}
 	if (strlen(rhs) == 0)
 		return -1;
-	return g_strcmp0(lhs, rhs);
+	return g_utf8_collate(lhs, rhs);
 }