Manually cast to int when comparing against extrude_min_temp

Avoid the automatic conversion to float to improve code size.

Author: wavexx

Firmware/Marlin_main.cpp

@@ -3421,7 +3421,7 @@ static void gcode_G80()
     go_home_with_z_lift();
     //		SERIAL_ECHOLNPGM("Go home finished");
     //unretract (after PINDA preheat retraction)
-    if ((degHotend(active_extruder) > extrude_min_temp) && eeprom_read_byte((unsigned char *)EEPROM_TEMP_CAL_ACTIVE) && calibration_status_pinda() && (target_temperature_bed >= 50)) {
+    if (((int)degHotend(active_extruder) > extrude_min_temp) && eeprom_read_byte((unsigned char *)EEPROM_TEMP_CAL_ACTIVE) && calibration_status_pinda() && (target_temperature_bed >= 50)) {
         current_position[E_AXIS] += default_retraction;
         plan_buffer_line_curposXYZE(400);
     }
@@ -9860,7 +9860,7 @@ static uint16_t nFSCheckCount=0;
 #ifdef PAT9125
 					fsensor_autoload_check_stop();
 #endif //PAT9125
-//-//					if (degHotend0() > extrude_min_temp)
+//-//					if ((int)degHotend0() > extrude_min_temp)
 if(0)
 					{
 						Sound_MakeCustom(50,1000,false);
@@ -10801,7 +10801,7 @@ static void temp_compensation_start() {
 	custom_message_type = CustomMsg::TempCompPreheat;
 	custom_message_state = PINDA_HEAT_T + 1;
 	lcd_update(2);
-	if (degHotend(active_extruder) > extrude_min_temp) {
+	if ((int)degHotend(active_extruder) > extrude_min_temp) {
 		current_position[E_AXIS] -= default_retraction;
 	}
 	plan_buffer_line_curposXYZE(400, active_extruder);

Firmware/planner.cpp

@@ -833,7 +833,7 @@ void plan_buffer_line(float x, float y, float z, const float &e, float feed_rate
   #ifdef PREVENT_DANGEROUS_EXTRUDE
   if(target[E_AXIS]!=position[E_AXIS])
   {
-    if(degHotend(active_extruder)<extrude_min_temp)
+    if((int)degHotend(active_extruder)<extrude_min_temp)
     {
       position[E_AXIS]=target[E_AXIS]; //behave as if the move really took place, but ignore E part
       #ifdef LIN_ADVANCE

Firmware/ultralcd.cpp

@@ -2447,7 +2447,7 @@ static void _lcd_move(const char *name, uint8_t axis, int min, int max)
 
 void lcd_move_e()
 {
-	if (degHotend0() > extrude_min_temp)
+	if ((int)degHotend0() > extrude_min_temp)
 	{
 		if (lcd_encoder != 0)
 		{