SM corrected wsock32 to ws2_32

docs/INSTALL

@@ -177,9 +177,9 @@ Win32
         Make the sources in the src/ drawer be a "win32 console application"
         project. Name it curl.
 
-        With VC++, add 'wsock32.lib' to the link libs when you build curl!
-        Borland seems to do that itself magically. Of course you have to
-        make sure it links with the libcurl too!
+        With VC++, add 'ws2_32.lib' to the link libs when you build curl!
+        Borland seems to do that itself magically. Of course you have to make
+        sure it links with the libcurl too!
 
         For VC++ 6, there's an included Makefile.vc6 that should be possible
         to use out-of-the-box.