Compile MIME magic file

This partially resolves Bug 2217

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit c460aba947)

kig/mimetypes/Makefile.am

@@ -3,6 +3,11 @@ kdemime_DATA = x-kig.desktop x-kgeo.desktop x-kseg.desktop x-cabri.desktop x-drg
 kdemimedir=$(kde_mimedir)/application
 
 magicdir = $(kde_confdir)/magic
-magic_DATA = cabri.magic drgeo.magic
+magic_DATA = cabri.magic cabri.magic.mgc drgeo.magic drgeo.magic.mgc
 
 KDE_ICON = AUTO
+
+SUFFIXES = .magic .magic.mgc
+
+.magic.magic.mgc:
+	(cd `dirname $@` && file -C -m $<)