AP_Mount: minor comment fix to has_pan_control

libraries/AP_Mount/AP_Mount_Alexmos.cpp

@@ -96,7 +96,7 @@ void AP_Mount_Alexmos::update()
     control_axis(_angle_rad);
 }
 
-// has_pan_control - returns true if this mount can control it's pan (required for multicopters)
+// has_pan_control - returns true if this mount can control its pan (required for multicopters)
 bool AP_Mount_Alexmos::has_pan_control() const
 {
     return _gimbal_3axis && yaw_range_valid();

libraries/AP_Mount/AP_Mount_SToRM32.h

@@ -29,7 +29,7 @@ public:
     // update mount position - should be called periodically
     void update() override;
 
-    // has_pan_control - returns true if this mount can control it's pan (required for multicopters)
+    // has_pan_control - returns true if this mount can control its pan (required for multicopters)
     bool has_pan_control() const override { return yaw_range_valid(); }
 
 protected:

libraries/AP_Mount/AP_Mount_SToRM32_serial.h

@@ -32,7 +32,7 @@ public:
     // update mount position - should be called periodically
     void update() override;
 
-    // has_pan_control - returns true if this mount can control it's pan (required for multicopters)
+    // has_pan_control - returns true if this mount can control its pan (required for multicopters)
     bool has_pan_control() const override { return yaw_range_valid(); };
 
 protected:

libraries/AP_Mount/AP_Mount_SoloGimbal.h

@@ -29,7 +29,7 @@ public:
     // update mount position - should be called periodically
     void update() override;
 
-    // has_pan_control - returns true if this mount can control it's pan (required for multicopters)
+    // has_pan_control - returns true if this mount can control its pan (required for multicopters)
     bool has_pan_control() const override { return false; }
 
     // handle a GIMBAL_REPORT message