Fixed compilation with gcc4.x+

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1072420 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kmail/Makefile.am

@@ -226,10 +226,10 @@ kde_services_DATA = kmail_config_misc.desktop kmail_config_appearance.desktop \
    kmail_config_security.desktop
 
 messages: rc.cpp
-	rm -f tips.cpp
-	$(PREPARETIPS) > tips.cpp
-	$(XGETTEXT) -ktranslate *.cpp *.h -o $(podir)/kmail.pot
-	rm -f tips.cpp
+	rm -f tips.txt
+	$(PREPARETIPS) > tips.txt
+	$(XGETTEXT) -ktranslate *.cpp *.txt *.h -o $(podir)/kmail.pot
+	rm -f tips.txt
 
 kde_kcfg_DATA = kmail.kcfg replyphrases.kcfg custommimeheader.kcfg \
 		templatesconfiguration_kfg.kcfg customtemplates_kfg.kcfg