MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/WinCOFFObjectWriter.cpp b/lib/MC/WinCOFFObjectWriter.cpp
index c6ea31a..285717e 100644
--- a/lib/MC/WinCOFFObjectWriter.cpp
+++ b/lib/MC/WinCOFFObjectWriter.cpp
@@ -801,7 +801,7 @@
     if (Sec->Number == -1)
       continue;
 
-    Sec->Header.SizeOfRawData = Layout.getSectionFileSize(i);
+    Sec->Header.SizeOfRawData = Layout.getSectionAddressSize(i);
 
     if (IsPhysicalSection(Sec)) {
       Sec->Header.PointerToRawData = offset;