[JITLink][COFF] Delete trailing whitespace in testcase. NFC.

Author: lhames

llvm/test/ExecutionEngine/JITLink/x86-64/COFF_pdata_strip.s

@@ -1,5 +1,5 @@
 # RUN: llvm-mc -filetype=obj -triple=x86_64-windows-msvc %s -o %t
-# RUN: 
+# RUN:
 # RUN: llvm-jitlink -abs __ImageBase=0xdeadbeaf -noexec %t \
 # RUN: -slab-allocate 100Kb -slab-address 0xfff00000 -slab-page-size 4096 \
 # RUN: -show-graphs='.*' -noexec 2>&1 | FileCheck %s
@@ -14,7 +14,7 @@
 # CHECK-EMPTY:
 
 	.text
-	
+
 	.def	main;
 	.scl	2;
 	.type	32;
@@ -31,7 +31,7 @@ main:
 	.type	32;
 	.endef
 	.p2align	4, 0x90
-func: 
+func:
 	.seh_proc func
 	subq	$40, %rsp
 	.seh_stackalloc 40