Replace unused AARCH macro by AARCH64

rtl/unix/classes.pp

@@ -49,9 +49,9 @@ uses
   fgl,
 {$endif}
   rtlconsts,
-{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH) }  
+{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH64) }
   intrinsics,
-{$ENDIF}  
+{$ENDIF}
   sortbase;
 {$ENDIF FPC_DOTTEDUNITS}
 

rtl/win32/classes.pp

@@ -51,9 +51,9 @@ uses
   fgl,
 {$endif}
   typinfo,
-{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH) }  
+{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH64) }
   intrinsics,
-{$ENDIF}  
+{$ENDIF}
   windows;
 {$ENDIF FPC_DOTTEDUNITS}
 

rtl/win64/classes.pp

@@ -51,9 +51,9 @@ uses
   fgl,
 {$endif}
   typinfo,
-{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH) }  
+{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH64) }
   intrinsics,
-{$ENDIF}  
+{$ENDIF}
   windows;
 {$ENDIF FPC_DOTTEDUNITS}
 

rtl/wince/classes.pp

@@ -52,9 +52,9 @@ uses
   fgl,
 {$endif}
   typinfo,
-{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH) }  
+{$IF DEFINED(CPUARM) or DEFINED(CPUAARCH64) }
   intrinsics,
-{$ENDIF}  
+{$ENDIF}
   windows;
 {$ENDIF FPC_DOTTEDUNITS}