removed unintentional bashism

cbuild.sh

@@ -198,7 +198,7 @@ new() {
             for arg in $@; do
                 if [ "${arg}" != "__MODULE__" ]; then
                     path="${SRCDIR}/${HEADER_DIR}/${arg%.h}.h"
-                    clean_path="${path//.\//}"
+                    clean_path="$(echo ${path} | sed 's/\.\///g')"
                     macro="$(basename ${clean_path} .h | tr '[a-z]' '[A-Z]')"
                     [ ! -d "$(dirname ${clean_path})" ] && 
                         mkdir -p "$(dirname ${clean_path})"