[generator] Fix find_g_t call in _routing and add a separator in gen_planet

tools/unix/generate_planet.sh

@@ -147,6 +147,7 @@ LOG_PATH="${LOG_PATH:-$TARGET/logs}"
 mkdir -p "$LOG_PATH"
 PLANET_LOG="$LOG_PATH/generate_planet.log"
 [ -n "${MAIL-}" ] && trap "grep STATUS \"$PLANET_LOG\" | mailx -s \"Generate_planet: build failed\" \"$MAIL\"; exit 1" SIGINT SIGTERM
+echo -e "\n\n----------------------------------------\n\n" >> "$PLANET_LOG"
 log "STATUS" "Start"
 
 # Run external script to find generator_tool

tools/unix/generate_planet_routing.sh

@@ -97,7 +97,7 @@ elif [ "$1" == "prepare" ]; then
 
 elif [ "$1" == "mwm" ]; then
   [ ! -f "$OSRM_FLAG" ] && fail "Please build OSRM files first"
-  source find_generator_tool.sh
+  source "$(dirname "$0")/find_generator_tool.sh"
 
   if [ ! -d "$TARGET/borders" -o -z "$(ls "$TARGET/borders" | grep \.poly)" ]; then
     # copy polygons to a temporary directory