efl - fix build to build multip.edj from the right edc source

the makefile was wrong making multip.edj for the multitouch test in
elm the wrong src thus breaking the crosshairs. this fixes that again
so the test is right.

@fix

data/Makefile.am

@@ -235,7 +235,7 @@ elementary/objects/test_external.edj: elementary/objects/test_external.edc
 	$(MKDIR_P) elementary/objects/; \
 	$(EDJE_CC) $(EDJE_CC_FLAGS) $< $@
 
-elementary/objects/multip.edj: elementary/objects/test_external.edc
+elementary/objects/multip.edj: elementary/objects/multip.edc
 	$(AM_V_EDJ) \
 	$(MKDIR_P) elementary/objects/; \
 	$(EDJE_CC) $(EDJE_CC_FLAGS) $< $@