Fix ISO split

Author: AdityaGarg8

build.sh

@@ -102,5 +102,5 @@ if [ "$ISO_SIZE" -lt 4000 ]; then
 else
     SPLIT_SIZE=2000M
 fi
-split -b ${ISO_SIZE} -x "${OUTPUT_PATH}/${FLAVOUR}-${VER}-${KERNEL_VERSION}-t2-${CODENAME}.iso" "${OUTPUT_PATH}/${FLAVOUR}-${VER}-${KERNEL_VERSION}-t2-${CODENAME}.iso."
+split -b ${SPLIT_SIZE} -x "${OUTPUT_PATH}/${FLAVOUR}-${VER}-${KERNEL_VERSION}-t2-${CODENAME}.iso" "${OUTPUT_PATH}/${FLAVOUR}-${VER}-${KERNEL_VERSION}-t2-${CODENAME}.iso."
 sha256sum "${OUTPUT_PATH}"/*.iso > "${OUTPUT_PATH}/sha256-${FLAVOUR}-${VER}"