Fix compile error in gcode_G29

- A redo of #1576, which missed topo_flag
- Always set verbose_level

Marlin/Marlin_main.cpp

@@ -1772,8 +1772,6 @@ inline void gcode_G28() {
 
   inline void gcode_G29() {
 
-    float x_tmp, y_tmp, z_tmp, real_z;
-
     // Prevent user from running a G29 without first homing in X and Y
     if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS]) {
       LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
@@ -1782,28 +1780,26 @@ inline void gcode_G28() {
       return;
     }
 
-    bool enhanced_g29 = code_seen('E') || code_seen('e');
-
-    #ifdef AUTO_BED_LEVELING_GRID
-
-      // Example Syntax:  G29 N4 V2 E T
     int verbose_level = 1;
-
+    float x_tmp, y_tmp, z_tmp, real_z;
-      bool topo_flag = code_seen('T') || code_seen('t');
 
     if (code_seen('V') || code_seen('v')) {
-        verbose_level = code_value();
+      verbose_level = code_value_long();
       if (verbose_level < 0 || verbose_level > 4) {
         SERIAL_PROTOCOLPGM("?(V)erbose Level is implausible (0-4).\n");
         return;
       }
-        if (verbose_level > 0) {
-          SERIAL_PROTOCOLPGM("G29 Enhanced Auto Bed Leveling Code V1.25:\n");
-          SERIAL_PROTOCOLPGM("Full support at: http://3dprintboard.com/forum.php\n");
-          if (verbose_level > 2) topo_flag = true;
-        }
     }
 
+    bool enhanced_g29 = code_seen('E') || code_seen('e');
+
+    #ifdef AUTO_BED_LEVELING_GRID
+
+      bool topo_flag = verbose_level > 2 || code_seen('T') || code_seen('t');
+
+      if (verbose_level > 0)
+        SERIAL_PROTOCOLPGM("G29 Auto Bed Leveling\n");
+
       int auto_bed_leveling_grid_points = code_seen('P') ? code_value_long() : AUTO_BED_LEVELING_GRID_POINTS;
       if (auto_bed_leveling_grid_points < 2 || auto_bed_leveling_grid_points > AUTO_BED_LEVELING_GRID_POINTS) {
         SERIAL_PROTOCOLPGM("?Number of probed (P)oints is implausible (2 minimum).\n");