STYLE: Replace large if() with named boolean

In cmLocalVisualStudio{6,7}Generator this replaces a large if() test
with a re-usable result stored in a boolean variable named accordingly.

Source/cmLocalVisualStudio6Generator.cxx

@@ -885,6 +885,8 @@ void cmLocalVisualStudio6Generator
   // Lookup the output directory for the target.
   std::string outPath = target.GetDirectory();
 
+  bool targetBuilds = (target.GetType() >= cmTarget::EXECUTABLE &&
+                       target.GetType() <= cmTarget::MODULE_LIBRARY);
 #ifdef CM_USE_OLD_VS6
   // Lookup the library and executable output directories.
   std::string libPath;
@@ -1136,8 +1138,7 @@ void cmLocalVisualStudio6Generator
     }
 
   // Get standard libraries for this language.
-  if(target.GetType() >= cmTarget::EXECUTABLE && 
-     target.GetType() <= cmTarget::MODULE_LIBRARY)
+  if(targetBuilds)
     {
     // Get the language to use for linking.
     const char* linkLanguage = 

Source/cmLocalVisualStudio7Generator.cxx

@@ -627,6 +627,7 @@ void cmLocalVisualStudio7Generator::WriteConfiguration(std::ostream& fout,
   // 10 == utility
   const char* configType = "10";
   const char* projectType = 0;
+  bool targetBuilds = true;
   switch(target.GetType())
     {
     case cmTarget::STATIC_LIBRARY:
@@ -645,6 +646,7 @@ void cmLocalVisualStudio7Generator::WriteConfiguration(std::ostream& fout,
     case cmTarget::GLOBAL_TARGET:
       configType = "10";
     default:
+      targetBuilds = false;
       break;
     }
   if(this->FortranProject && projectType)
@@ -801,10 +803,7 @@ void cmLocalVisualStudio7Generator::WriteConfiguration(std::ostream& fout,
   targetOptions.OutputPreprocessorDefinitions(fout, "\t\t\t\t", "\n");
   fout << "\t\t\t\tAssemblerListingLocation=\"" << configName << "\"\n";
   fout << "\t\t\t\tObjectFile=\"$(IntDir)\\\"\n";
-  if(target.GetType() == cmTarget::EXECUTABLE ||
-     target.GetType() == cmTarget::STATIC_LIBRARY ||
-     target.GetType() == cmTarget::SHARED_LIBRARY ||
-     target.GetType() == cmTarget::MODULE_LIBRARY)
+  if(targetBuilds)
     {
     // We need to specify a program database file name even for
     // non-debug configurations because VS still creates .idb files.