[evolution] Declare em-filter-i18n.h as BUILT_SOURCES in mail/Makefile.am

[Milan Crha <mcrha src gnome org>]

commit fa75665c3bf9dceaeec233ccf3702cdc167de3c3
Author: Milan Crha <mcrha redhat com>
Date:   Mon Feb 3 11:27:36 2014 +0100

    Declare em-filter-i18n.h as BUILT_SOURCES in mail/Makefile.am
    
    This way git.mk knows about it and ignores changes in it, because,
    after all, this header file is auto-generated on build.

 mail/Makefile.am      |    2 +-
 mail/em-filter-i18n.h |   80 -------------------------------------------------
 2 files changed, 1 insertions(+), 81 deletions(-)
---
diff --git a/mail/Makefile.am b/mail/Makefile.am
index 8a011df..332ef3a 100644
--- a/mail/Makefile.am
+++ b/mail/Makefile.am
@@ -295,7 +295,7 @@ endif
 dist-hook:
        cd $(distdir); rm -f $(BUILT_SOURCES)
 
-BUILT_SOURCES = $(ENUM_GENERATED) $(error_DATA)
+BUILT_SOURCES = $(ENUM_GENERATED) $(error_DATA) em-filter-i18n.h
 
 CLEANFILES = $(BUILT_SOURCES)