[RTL] Minor formatting, remove redundant 'return'.

dll/ntdll/rtl/libsupp.c

···
 {
     *LowLimit = (ULONG_PTR)NtCurrentTeb()->NtTib.StackLimit;
     *HighLimit = (ULONG_PTR)NtCurrentTeb()->NtTib.StackBase;
-    return;
 }
 
 BOOLEAN

ntoskrnl/rtl/libsupp.c

···
     OUT PULONG_PTR HighLimit)
 {
     PKTHREAD CurrentThread = KeGetCurrentThread();
+    *LowLimit = (ULONG_PTR)CurrentThread->StackLimit;
 #ifdef _M_IX86
-    * HighLimit = (ULONG_PTR)CurrentThread->InitialStack -
+    *HighLimit = (ULONG_PTR)CurrentThread->InitialStack -
         sizeof(FX_SAVE_AREA);
 #else
     *HighLimit = (ULONG_PTR)CurrentThread->InitialStack;
 #endif
-    *LowLimit = (ULONG_PTR)CurrentThread->StackLimit;
 }
 
 /* RTL Atom Tables ************************************************************/