Update util/buildbot/buildwin32.sh

Co-authored-by: sfan5 <[email protected]>

Author: HybridDog

util/buildbot/buildwin32.sh

@@ -32,10 +32,8 @@ toolchain_file=$topdir/toolchain_${compiler/-gcc/}.cmake
 echo "Using $toolchain_file"
 
 # Use ccache if it is available
-if command -v ccache >&-; then
-	extra_args=(-DCMAKE_C_COMPILER_LAUNCHER=ccache \
-		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache)
-fi
+extra_args=()
+command -v ccache >/dev/null && extra_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
 
 # Try to find runtime DLLs in various paths (varies by distribution, sigh)
 tmp=$(dirname "$(command -v $compiler)")/..