Patch to allow customisation of the installation prefix.

diff -Naur aget-0.4.fix1/Makefile aget-0.4.fix2/Makefile
--- aget-0.4.fix1/Makefile	2002-11-22 05:39:24.000000000 -0200
+++ aget-0.4.fix2/Makefile	2008-10-11 11:32:24.201640710 -0300
@@ -6,6 +6,7 @@
 LDFLAGS = -pthread
 CC = gcc
 STRIP = strip
+PREFIX = /usr/local
 
 all: $(OBJS)
 	$(CC) -o aget $(OBJS) $(LDFLAGS)
@@ -14,7 +15,7 @@
 	$(STRIP) aget
 	
 install:
-	cp -f aget /usr/local/bin/aget
+	cp -f aget $(PREFIX)/bin/aget
 
 clean: 
 	rm -f aget *.o core.* *~