Allwmake and {applications,src}/Allwmake use wmake/wmakeCheckPwd

- solves problems that can occur when checking $PWD and links are involved

Allwmake

@@ -1,13 +1,12 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # run from this directory
 
-if [ "$PWD" != "$WM_PROJECT_DIR" ]
-then
+wmakeCheckPwd "$WM_PROJECT_DIR" || {
     echo "Error: Current directory is not \$WM_PROJECT_DIR"
     echo "    The environment variables are inconsistent with the installation."
     echo "    Check the OpenFOAM entries in your dot-files and source them."
     exit 1
-fi
+}
 
 # wmake is required for subsequent targets
 ( cd wmake/src && make )