[ZLIB]: Fix external builds of zlib_inflate code.
Move zlib_inflate_blob() out into it's own source file,
infutil.c, so that things like the powerpc zImage builder
in arch/powerpc/boot/Makefile don't end up trying to
compile it.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/lib/zlib_inflate/Makefile b/lib/zlib_inflate/Makefile
index bf06548..49f8ce5 100644
--- a/lib/zlib_inflate/Makefile
+++ b/lib/zlib_inflate/Makefile
@@ -15,5 +15,5 @@
obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o
-zlib_inflate-objs := inffast.o inflate.o \
+zlib_inflate-objs := inffast.o inflate.o infutil.o \
inftrees.o inflate_syms.o