Windows: Install loose gssapi.dll with manifest

When installing the gssapi.dll within the Heimdal\bin directory
make sure to install the version that has the assembly manifest.
Otherwise, the DLL cannot find the heimdal.dll.

Change-Id: Idd6f8f00db718f8a764e1cfa9d06d188ab22a313

packages/windows/installer/NTMakefile

@@ -172,6 +172,7 @@ CANDLEOPTS=	\
 	-dDocDir=$(DOCDIR)			\
 	-dSrcDir=$(SRC)				\
 	-dPlatform=$(PLATFORM)			\
+	-dAsmKrbName=$(ASMKRBNAME)		\
 	-dPolPrefix=$(POLPREFIX)
 
 !if "$(CPU)"=="AMD64"

packages/windows/installer/heimdal-installer.wxs

@@ -201,7 +201,7 @@
       <Component Id='comp.gssdll'
 		 Guid='$(var.GuidGssDll)'
 		 Win64='$(var.Win64)'>
-	<File Name='gssapi.dll' KeyPath='yes' />
+	<File Name='gssapi.dll' KeyPath='yes' Source='$(var.BinDir)\$(var.AsmKrbName)\gssapi.dll' />
 	<File Name='gssapi.pdb' />
       </Component>