kernel: include: remove last .0 from kernel versions again

Kernel 4.14 has the version number 4.14 and not 4.14.0. This was
different in some older Linux kernel versions, This change makes it
possible to use kernel 4.14 without any minor version.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

include/kernel.mk

@@ -52,7 +52,7 @@ else
   LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
   LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
 
-  LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
+  LINUX_UNAME_VERSION:=$(KERNEL_BASE)
   ifneq ($(findstring -rc,$(LINUX_VERSION)),)
     LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
   endif