[0.4.8] Change KERNEL_VERSION_BUILD_TYPE "RC"

as first commit before! adding the git tag

Author: JoachimHenze

sdk/include/reactos/version.cmake

@@ -7,7 +7,7 @@ set(COPYRIGHT_YEAR "2018")
 
 # KERNEL_VERSION_BUILD_TYPE is "dev" for Git builds
 # or "RC1", "RC2", "" for releases.
-set(KERNEL_VERSION_BUILD_TYPE "dev")
+set(KERNEL_VERSION_BUILD_TYPE "RC")
 
 set(KERNEL_VERSION "${KERNEL_VERSION_MAJOR}.${KERNEL_VERSION_MINOR}.${KERNEL_VERSION_PATCH_LEVEL}")
 if(NOT KERNEL_VERSION_BUILD_TYPE STREQUAL "")