patch 7.4.1772
Problem:    Installation fails when $GTK_UPDATE_ICON_CACHE is empty.
Solution:   Add quotes. (Kazunobu Kuriyama)
diff --git a/src/version.c b/src/version.c
index 725d774..77d0117 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1772,
+/**/
     1771,
 /**/
     1770,