cleanup msvc code analysis tagging and warnings

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13280 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/formats/mod_local_stream/mod_local_stream.c

@@ -597,6 +597,10 @@ SWITCH_STANDARD_API(show_local_stream_function)
 			}
 		}
 		
+		if (!local_stream_name) {
+			goto usage;
+		}
+
 		source = switch_core_hash_find(globals.source_hash, local_stream_name);
 		if (source) {
 			if (xml) {

src/mod/formats/mod_shout/mod_shout.c

@@ -712,7 +712,7 @@ static switch_status_t shout_file_open(switch_file_handle_t *handle, const char
 			context->stream_url = switch_core_sprintf(context->memory_pool, "http://%s", path);
 			context->prebuf = handle->prebuf;
 			launch_read_stream_thread(context);
-			while((switch_buffer_inuse(context->audio_buffer) < 1*2*context->samplerate) && ++sanity < 10) { 
+			while((switch_buffer_inuse(context->audio_buffer) < (switch_size_t)(2 * context->samplerate)) && ++sanity < 10) { 
 				/* at least 1s of audio and up to 5s initialize */
 				switch_yield(500000);
 			}