Fix current_temperature_chamber compile error

Fix #10505

Marlin/src/module/temperature.h

@@ -159,11 +159,6 @@ class Temperature {
       #endif
     #endif
 
-    #if HAS_TEMP_CHAMBER
-      static float current_temperature_chamber;
-      static int16_t current_temperature_chamber_raw;
-    #endif
-
     #if ENABLED(BABYSTEPPING)
       static volatile int babystepsTodo[3];
     #endif
@@ -265,9 +260,10 @@ class Temperature {
 
     #if HAS_TEMP_CHAMBER
       static uint16_t raw_temp_chamber_value;
+      static float current_temperature_chamber;
+      static int16_t current_temperature_chamber_raw;
     #endif
 
-
     #ifdef MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED
       static uint8_t consecutive_low_temperature_error[HOTENDS];
     #endif