shims/apr-1-config: fix style inconsistencies

Library/Homebrew/shims/super/apr-1-config

 #!/bin/bash
 
-if [[ "$HOMEBREW_CCCFG" == *a* ]]; then
+if [[ "$HOMEBREW_CCCFG" = *a* ]]
+then
   case "$1" in
-  --cc) echo "cc";;
-  --cpp) echo "cpp";;
-  --includedir) echo "$HOMEBREW_SDKROOT/usr/include/apr-1";;
-  --includes) echo "-isystem$HOMEBREW_SDKROOT/usr/include/apr-1";;
-  --apr-libtool) echo "glibtool";;
-  *)
-    exec xcrun apr-1-config "$@";;
+    --cc)          echo "cc" ;;
+    --cpp)         echo "cpp" ;;
+    --includedir)  echo "$HOMEBREW_SDKROOT/usr/include/apr-1" ;;
+    --includes)    echo "-isystem$HOMEBREW_SDKROOT/usr/include/apr-1" ;;
+    --apr-libtool) echo "glibtool" ;;
+    *)
+      exec xcrun apr-1-config "$@"
+      ;;
   esac
 else
   exec /usr/bin/apr-1-config "$@"