Prevent buffer overflow on DIAL friendly name

Change-Id: I1db32259de0ed24d2e0fa0333b758607d10dcd0b
diff --git a/src/server/main.c b/src/server/main.c
index bd881c1..60a098e 100644
--- a/src/server/main.c
+++ b/src/server/main.c
@@ -397,7 +397,7 @@
 {
     // Destination is always one of our static buffers with size BUFSIZE
     memset( dest, 0, BUFSIZE );
-    memcpy( dest, pSource, strlen(pSource) );
+    strncpy( dest, pSource, BUFSIZE-1 );
 }
 
 void runDial(void)