cleanup makefile - use CC and STRIP macros

diff -Naur fgetty-0.6-orig/Makefile fgetty-0.6/Makefile
--- fgetty-0.6-orig/Makefile	2002-01-24 02:35:22.000000000 +0100
+++ fgetty-0.6/Makefile	2007-07-13 18:26:33.202255084 +0200
@@ -5,18 +5,20 @@
 all: fgetty login login2 checkpassword
 
 DIET=diet
+CC=gcc
+STRIP=strip
 #CROSS=arm-linux-
 CROSS=
 LDFLAGS=-s
 
 %.o: %.c
 #	gcc -march=i386 -mcpu=i386 -pipe -Os -fomit-frame-pointer -I../dietlibc/include -c $^ -DTEST
-	$(DIET) $(CROSS)gcc -pipe -Os -fomit-frame-pointer -I../dietlibc/include -c $^ -DTEST
+	$(DIET) $(CROSS)$(CC) -pipe -Os -fomit-frame-pointer -I../dietlibc/include -c $^ -DTEST
 #	gcc -march=i386 -mcpu=i386 -pipe -g -I../dietlibc/include -DTEST -c $^
-	strip -x -R .comment -R .note $@
+	$(CROSS)$(STRIP) -x -R .comment -R .note $@
 
 %: %.o
-	$(DIET) $(CROSS)gcc -nostdlib -o $@ $^ $(LDFLAGS)
+	$(DIET) $(CROSS)$(CC) -nostdlib -o $@ $^ $(LDFLAGS)
 
 fgetty: fgetty.o fmt_ulong.o
 
@@ -25,7 +27,7 @@
 checkpassword: checkpassword.o
 
 debug: fgetty.c fmt_ulong.o
-	gcc -g -o debug fgetty.c fmt_ulong.o -DDEBUG
+	$(CROSS)$(CC) -g -o debug fgetty.c fmt_ulong.o -DDEBUG
 
 install:
 	install -d $(DESTDIR)/bin $(DESTDIR)/sbin
@@ -46,7 +48,7 @@
 %.sig: %
 	gpg --detach-sign $<
 
-VERSION=fgetty-$(shell head -1 CHANGES|sed 's/://')
+VERSION=fgetty-$(shell head -n 1 CHANGES|sed 's/://')
 CURNAME=$(notdir $(shell pwd))
 
 tar: clean rename