mtd-utils: use source package name for lzo in PKG_BUILD_DEPENDS

PKG_BUILD_DEPENDS should always refer to source package names.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

package/utils/mtd-utils/Makefile

@@ -20,7 +20,7 @@ PKG_INSTALL:=1
 
 PKG_FLAGS:=nonshared
 
-PKG_BUILD_DEPENDS:=util-linux liblzo zlib
+PKG_BUILD_DEPENDS:=util-linux lzo zlib
 
 PKG_LICENSE:=GPLv2
 PKG_LICENSE_FILES:=