Compile fix for malloc test

[Skip Ford]

Not sure of the history of why/when malloc.c was needed for the
malloc test but it doesn't seem to be now.

Index: Makefile
===================================================================
RCS file: /home/dcvs/src/tools/test/malloc/Makefile,v
retrieving revision 1.1
diff -u -r1.1 Makefile
--- tools/test/malloc/Makefile	17 Jun 2003 02:55:57 -0000	1.1
+++ tools/test/malloc/Makefile	18 Oct 2003 14:14:14 -0000
@@ -1,5 +1,5 @@
 PROG=	malloc
-SRCS=	main.c malloc.c
+SRCS=	main.c
 .PATH:	${.CURDIR}/../../../lib/libc/stdlib
 
 NOMAN=	sorry

-- 
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