Fix error in shellcheck N4

Fix error in shellcheck N4

Signed-off-by: Bensuperpc <bensuperpc@gmail.com>

.github/workflows/main.yml

@@ -26,8 +26,7 @@ jobs:
       - name: Run ShellCheck
         uses: ludeeus/action-shellcheck@master
         with:
-          ignore: build-and-install-cmake.sh
-          severity: warning
+          severity: error
         env:
           SHELLCHECK_OPTS: -s bash
       - name: build

imagefiles/dockcross

@@ -152,7 +152,7 @@ done
 # Source the config file if it exists
 DEFAULT_DOCKCROSS_CONFIG=~/.dockcross
 FINAL_CONFIG=${ARG_CONFIG-${DOCKCROSS_CONFIG-$DEFAULT_DOCKCROSS_CONFIG}}
-# shellcheck source=~/.dockcross
+
 [[ -f "$FINAL_CONFIG" ]] && source "$FINAL_CONFIG"
 
 # Set the docker image

imagefiles/install-gosu-binary.sh

@@ -20,7 +20,7 @@ url_key="https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-$
 
 # download and verify the signature
 GNUPGHOME=$(mktemp -d)
-export $GNUPGHOME
+export GNUPGHOME
 
 gpg --keyserver hkp://pool.sks-keyservers.net:80 --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 || \
 gpg --keyserver hkp://pgp.key-server.io:80 --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 || \