* use UNIXHIer

Makefile

@@ -2116,7 +2116,7 @@ docsrcinstall:
 docsrc:
 	$(MAKE) fpc_zipinstall ZIPTARGET=docsrcinstall ZIPNAME=docsrc
 .PHONY: demozip
-ifdef UNIXINSTALLDIR
+ifdef UNIXHier
 DEMOSOURCEDIR=$(INSTALL_DOCDIR)/../demo
 else
 DEMOSOURCEDIR=$(INSTALL_PREFIX)/demo

Makefile.fpc

@@ -360,7 +360,7 @@ docsrc:
 .PHONY: demozip
 
 # We don't want the package name fpc in the path
-ifdef UNIXINSTALLDIR
+ifdef UNIXHier
 DEMOSOURCEDIR=$(INSTALL_DOCDIR)/../demo
 else
 DEMOSOURCEDIR=$(INSTALL_PREFIX)/demo