Bustage fix for Mac themes from bug 469655 - app must always be the last directory to build

mail/Makefile.in

@@ -42,7 +42,7 @@ VPATH		= @srcdir@
 
 include $(topsrcdir)/config/config.mk
 
-DIRS		= base locales components extensions app 
+DIRS		= base locales components extensions
 
 #
 # Theme Selection
@@ -57,6 +57,9 @@ else
 DIRS += themes/qute
 endif
 
+# app is always last as it packages up the built files on mac
+DIRS += app
+
 include $(topsrcdir)/config/rules.mk
 
 ifeq ($(OS_ARCH),WINNT)