remove weird double spaces, remove /EXPORT from build.bat in favor of __declspec(dllexport)

code/kernel/ke_switch.asm

@@ -89,7 +89,7 @@ KeThreadEntry ENDP
 
 ; -------------------------------------------------------------------------
 ; KeKernelThreadEntry - landing pad for kernel-mode threads created by
-; KeCreateKernelThread.  Never touches ring 3; no IRETQ.
+; KeCreateKernelThread. Never touches ring 3; no IRETQ.
 ;
 ; Stack layout when we arrive here (above the KCONTEXT already popped by
 ; KeSwitchContext's ret):
@@ -97,7 +97,7 @@ KeThreadEntry ENDP
 ;   [rsp+08]  arg ptr
 ;
 ; We pop both into non-volatile registers so KeSchedulerPostSwitch can
-; clobber volatile ones freely, then call fn(arg).  On return we call
+; clobber volatile ones freely, then call fn(arg). On return we call
 ; KeExitThread so the thread is cleanly destroyed.
 ; -------------------------------------------------------------------------
 KeKernelThreadEntry PROC