log functions: fix CT_DoLog and CT_DoExecLog

$@ and $* are different when in double quotes; use $* to print the message.

scripts/functions

@@ -79,7 +79,7 @@ CT_DoLog() {
     if [ $# -eq 0 ]; then
         cat -
     else
-        printf "${@}\n"
+        printf "${*}\n"
     fi |( IFS="${CR}" # We want the full lines, even leading spaces
           _prog_bar_cpt=0
           _prog_bar[0]='/'
@@ -116,7 +116,7 @@ CT_DoLog() {
 CT_DoExecLog() {
     local level="$1"
     shift
-    CT_DoLog DEBUG "==> Executing: '${@}'"
+    CT_DoLog DEBUG "==> Executing: '${*}'"
     "${@}" 2>&1 |CT_DoLog "${level}"
 }