[openwrt/openwrt] build: fix typo in cmake patch

[LEDE Commits]

adrian pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/685570858dc6b19329594c6efd2c20f1898976f9

commit 685570858dc6b19329594c6efd2c20f1898976f9
Author: Piotr Stefaniak <pstef at freebsd.org>
AuthorDate: Sun Aug 9 00:38:21 2020 +0200

    build: fix typo in cmake patch
    
    The variable in the case argument was mistyped, so the case always
    checked against an empty string and never matched.
    
    Fix the variable name.
    
    Signed-off-by: Piotr Stefaniak <pstef at freebsd.org>
    [add commit message]
    Signed-off-by: Adrian Schmutzler <freifunk at adrianschmutzler.de>
---
 tools/cmake/patches/130-bootstrap_parallel_make_flag.patch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cmake/patches/130-bootstrap_parallel_make_flag.patch b/tools/cmake/patches/130-bootstrap_parallel_make_flag.patch
index 7b6198b14b..45ad885953 100644
--- a/tools/cmake/patches/130-bootstrap_parallel_make_flag.patch
+++ b/tools/cmake/patches/130-bootstrap_parallel_make_flag.patch
@@ -5,7 +5,7 @@
  cmake_original_make_flags="${cmake_make_flags}"
  if [ "x${cmake_parallel_make}" != "x" ]; then
 -  cmake_make_flags="${cmake_make_flags} -j ${cmake_parallel_make}"
-+  case "$cmake_paralle_make" in
++  case "$cmake_parallel_make" in
 +    [0-9]*) cmake_parallel_make="-j ${cmake_parallel_make}";;
 +  esac
 +  cmake_make_flags="${cmake_make_flags} ${cmake_parallel_make}"