build: Fix installation of pkgconfig files

Bug: linux-sunxi#8
Change-Id: I1ebdb3c7dcad46550845b18b846592ee3f956b44
Signed-off-by: Philippe Coval <[email protected]>

Author: rzr

Makefile

@@ -21,7 +21,7 @@ clean:
 install: config.mk
 	$(MAKE) -C lib install
 	$(MAKE) -C include install
-	$(MAKE) -f Makefile.pc
+	$(MAKE) -f Makefile.pc install
 
 test: config.mk
 	$(MAKE) -C test test