Swap out NSIS crypto plugin for one that works better

Merged from wsjtx-1.4 branch.



git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4784 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

CMakeCPackOptions.cmake.in

@@ -194,7 +194,7 @@ retry:
       \${EndIf}
 
       ; calculate MD5 hash
-      Crypto::HashFile 'MD5' $KVASD_EXECUTABLE
+      md5dll::GetMD5File $KVASD_EXECUTABLE
       Pop $0
 
       \${If} $3 != $0