fix script

Author: BewareMyPower

build-support/run_clang_tidy.sh

@@ -33,11 +33,11 @@ done
 SCRIPT=$(which run-clang-tidy)
 set +e
 nproc
-if [[ $? == 0]]; then
+if [[ $? == 0 ]]; then
     NUM_THREADS=$(nproc)
 else
     NUM_THREADS=8
 fi
 set -e
-python3 $SCRIPT -p build -j$(nproc) $(cat files.txt)
+python3 $SCRIPT -p build -j$NUM_THREADS $(cat files.txt)
 rm -f files.txt