Rename targets

png++/Makefile

@@ -1,11 +1,11 @@
 SHELL:=/bin/bash
 
-pngpp-ubuntu1804:
+ubuntu1804:
 	wget http://download.savannah.nongnu.org/releases/pngpp/png++-0.2.9.tar.gz
 	tar -zxvf png++-0.2.9.tar.gz
 	make package-ubuntu1804
 
-pngpp-ubuntu2004:
+ubuntu2004:
 	wget http://download.savannah.nongnu.org/releases/pngpp/png++-0.2.9.tar.gz
 	tar -zxvf png++-0.2.9.tar.gz
 	make package-ubuntu2004