typelib.h is required by mysql.h and should be installed

include/Makefile.am

@@ -20,7 +20,7 @@ pkginclude_HEADERS =	dbug.h m_string.h my_sys.h my_list.h \
 			mysql.h mysql_com.h mysqld_error.h mysql_embed.h \
 		  	my_semaphore.h my_pthread.h my_no_pthread.h raid.h \
 			errmsg.h my_global.h my_net.h my_alloc.h \
-			my_getopt.h sslopt-longopts.h \
+			my_getopt.h sslopt-longopts.h typelib.h \
 			sslopt-vars.h sslopt-case.h $(BUILT_SOURCES)
 noinst_HEADERS =	config-win.h config-os2.h \
 			nisam.h heap.h merge.h my_bitmap.h\