Fixed regression that prevented builds with compatibiliy level set > 1.

Added [SIGNALS:xxx] element to the $I output.

planner.h

@@ -87,7 +87,10 @@ typedef struct {
 #ifdef KINEMATICS_API
     float rate_multiplier;          // Feed rate multiplier.
 #endif
-    //  float blending_tolerance;   // Motion blending tolerance
+#if ENABLE_PATH_BLENDING
+    float path_tolerance;           //!< Path blending tolerance.
+    float cam_tolerance;            //!< Naive CAM tolerance.
+#endif
     spindle_t spindle;              // Desired spindle parameters, such as RPM, through line motion.
     planner_cond_t condition;       // Bitfield variable to indicate planner conditions. See defines above.
     gc_override_flags_t overrides;  // Block bitfield variable for overrides