BUG: When writing newlines between script portions in prebuild, prelink, and postbuild command lines they must be escaped for XML so that the IDE receives them. This fixes the fix for bug #3977.

Source/cmLocalVisualStudio7Generator.cxx

@@ -1440,7 +1440,7 @@ void cmLocalVisualStudio7Generator
       }
     else
       {
-      fout << "\n";
+      fout << this->EscapeForXML("\n");
       }
     std::string script =
       this->ConstructScript(cr->GetCommandLines(),
@@ -1469,7 +1469,7 @@ void cmLocalVisualStudio7Generator
       }
     else
       {
-      fout << "\n";
+      fout << this->EscapeForXML("\n");
       }
     std::string script =
       this->ConstructScript(cr->GetCommandLines(),
@@ -1498,7 +1498,7 @@ void cmLocalVisualStudio7Generator
       }
     else
       {
-      fout << "\n";
+      fout << this->EscapeForXML("\n");
       }
     std::string script =
       this->ConstructScript(cr->GetCommandLines(),