runltp: rework echo -n to printf POSIX-compliant

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
diff --git a/runltp b/runltp
index a419bf8..e86f5c7 100755
--- a/runltp
+++ b/runltp
@@ -537,18 +537,16 @@
         {
             [ -z "$RHOST" ] && \
             {
-                echo \
-                "INFO: Enter RHOST = 'name of the remote host machine'"
-                echo -n "-> "
+                printf "INFO: Enter RHOST = 'name of the remote host machine'"
+                printf "\n-> "
                 read RHOST
             }
 
             [ -z "$PASSWD" ] && \
             {
-                echo " "
-                echo \
-                "INFO: Enter PASSWD = 'root passwd of the remote host machine'"
-                echo -n "-> "
+                printf "\nINFO: "
+                printf "Enter PASSWD = 'root passwd of the remote host machine'"
+                printf "\n-> "
                 read PASSWD
             }
             export RHOST=$RHOST
@@ -733,15 +731,15 @@
     #$PAN_COMMAND #Duplicated code here, because otherwise if we fail, only "PAN_COMMAND" gets output
 
     ## Display the Output/Log/Failed/HTML file names here
-    echo -e "LOG File: \c"
+    printf "LOG File: "
     echo $LOGFILE | cut -b4-
 
     if [ "$OUTPUTFILE" ]; then
-       echo -e "OUTPUT File: \c"
+       printf "OUTPUT File: "
        echo $OUTPUTFILE | cut -b4-
     fi
 
-    echo -e "FAILED COMMAND File: \c"
+    printf "FAILED COMMAND File: "
     echo $FAILCMDFILE | cut -b4-
 
     if [ "$HTMLFILE" ]; then