Change c flag to w [SKIP CI]

.runenv

@@ -12,13 +12,13 @@ volumes=""
 
 show_help() {
 cat << EOF
-Usage: ${0##*/} [-hxc] [-n NAME] [-p PORT]... [-v LIST]... [CMD]...
+Usage: ${0##*/} [-hxw] [-n NAME] [-p PORT]... [-v LIST]... [CMD]...
 Starts an env Docker container. If CMD is specified, starts CMD 
 instead of a shell.
 
    -h       display this help and exit
    -x       delete Docker container after exit. will loose data
-   -c       forward \$PWD into $CONTAINER_HOME/src
+   -w       forward \$PWD into $CONTAINER_HOME/src
    -n NAME  give container a NAME
    -p PORT  forward host PORT to container PORT
    -v LIST  mount volume LIST. specify as LOCAL:MOUNT
@@ -26,12 +26,12 @@ instead of a shell.
 EOF
 }
 
-while getopts "hxcn:p:v:" opt; do
+while getopts "hxwn:p:v:" opt; do
 	case "$opt" in
 	x)
 		delete="--rm "
 		;;
-	c)
+	w)
 		volumes="$volumes\n\t-v $PWD:$CONTAINER_HOME/src "
 		;;
 	n)