Fix snapshot generation on Visual Studio. Compiling source files generated in...

tools/visual_studio/README.txt

Index: tools/visual_studio/README.txt
===================================================================
--- tools/visual_studio/README.txt	(revision 1163)
+++ tools/visual_studio/README.txt	(working copy)
@@ -20,6 +20,11 @@
 --------------------
 Executable v8_mksnapshot.exe for building a heap snapshot from a running V8.
 
+v8_snapshot_cc.vcproj
+---------------------
+Uses v8_mksnapshot.exe to generate snapshot.cc, which is used in
+v8_snapshot.vcproj.
+
 v8_snapshot.vcproj
 ------------------
 V8 library containing all the V8 and JavaScript library code embedded as a heap
@@ -40,7 +45,8 @@
 
   v8.vcproj depends on v8_base.vcproj
   v8_mksnapshot.vcproj depends on v8.vcproj
-  v8_snapshot.vcproj depends on v8_mksnapshot.vcproj and v8_base.vcproj
+  v8_snapshot_cc.vcproj depends on v8_mksnapshot.vcproj
+  v8_snapshot.vcproj depends on v8_snapshot_cc.vcproj and v8_base.vcproj
 
 A project which uses V8 should then depend on v8_snapshot.vcproj.
 
@@ -51,6 +57,7 @@
 for building the sample in samples\shell.cc and v8_process_sample.vcproj for
 building the sample in samples\process.cc. Add either of these (or both) to a
 solution with v8_base, v8, v8_mksnapshot and v8_snapshot set up as described
+solution with v8_base, v8, v8_mksnapshot and v8_snapshot set up as described
 above and have them depend on v8_snapshot.
 
 Finally a sample Visual Studio solution file for is provided. This solution file