Update POTFILES.in and POTFILES.skip

Author: piotrdrag

po/POTFILES.in

@@ -1,9 +1,19 @@
+# List of source files containing translatable strings.
+# Please keep this file sorted alphabetically.
 src/about.c
+src/calendar.c
+src/color.c
+src/entry.c
+src/fileselection.c
+src/forms.c
 src/main.c
+src/msg.c
 src/notification.c
+src/option.c
 src/password.c
+src/progress.c
 src/scale.c
+src/text.c
 src/tree.c
 src/util.c
 src/zenity.ui
-src/option.c

po/POTFILES.skip

@@ -1,9 +1,2 @@
-src/calendar.c
-src/entry.c
-src/fileselection.c
-src/msg.c
-src/progress.c
-src/text.c
-src/util.h
-src/util.c
-src/zenity.h
+# List of source files that should *not* be translated.
+# Please keep this file sorted alphabetically.