Install all a Makefile's extension controls, not just the first.

adunstan · adunstan · commit 82b0102650cf · 2013-07-03T19:03:31.000-04:00
Bug introduced by commit 6697aa2 and reported by Robert Haas.
diff --git a/src/makefiles/pgxs.mk b/src/makefiles/pgxs.mk
@@ -134,7 +134,7 @@ endif # PROGRAM
 
 installcontrol: $(addsuffix .control, $(EXTENSION))
 ifneq (,$(EXTENSION))
-	$(INSTALL_DATA) $< '$(DESTDIR)$(datadir)/extension/'
+	$(INSTALL_DATA) $^ '$(DESTDIR)$(datadir)/extension/'
 endif
 
 installdata: $(DATA) $(DATA_built)
