Simplify 'strip' and 'ranlib' install tweak code

The cmInstallTargetGenerator methods AddStripRule and AddRanlibRule do
not need the target type argument.  They can simply use the type of the
target for which the generator instance was created.

Source/cmInstallTargetGenerator.cxx

@@ -315,8 +315,8 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
     cmOStringStream tw;
     this->AddInstallNamePatchRule(tw, indent.Next(), config, toDestDirPath);
     this->AddChrpathPatchRule(tw, indent.Next(), config, toDestDirPath);
-    this->AddRanlibRule(tw, indent.Next(), type, toDestDirPath);
-    this->AddStripRule(tw, indent.Next(), type, toDestDirPath);
+    this->AddRanlibRule(tw, indent.Next(), toDestDirPath);
+    this->AddStripRule(tw, indent.Next(), toDestDirPath);
     std::string tws = tw.str();
 
     // Add the rules, if any.
@@ -599,13 +599,12 @@ cmInstallTargetGenerator
 void
 cmInstallTargetGenerator::AddStripRule(std::ostream& os,
                                        Indent const& indent,
-                                       cmTarget::TargetType type,
                                        const std::string& toDestDirPath)
 {
 
   // don't strip static libraries, because it removes the only symbol table
   // they have so you can't link to them anymore
-  if(type == cmTarget::STATIC_LIBRARY)
+  if(this->Target->GetType() == cmTarget::STATIC_LIBRARY)
     {
     return;
     }
@@ -633,11 +632,10 @@ cmInstallTargetGenerator::AddStripRule(std::ostream& os,
 void
 cmInstallTargetGenerator::AddRanlibRule(std::ostream& os,
                                         Indent const& indent,
-                                        cmTarget::TargetType type,
                                         const std::string& toDestDirPath)
 {
   // Static libraries need ranlib on this platform.
-  if(type != cmTarget::STATIC_LIBRARY)
+  if(this->Target->GetType() != cmTarget::STATIC_LIBRARY)
     {
     return;
     }

Source/cmInstallTargetGenerator.h

@@ -74,10 +74,8 @@ protected:
                          std::string const& toDestDirPath);
   
   void AddStripRule(std::ostream& os, Indent const& indent,
-                    cmTarget::TargetType type,
                     const std::string& toDestDirPath);
   void AddRanlibRule(std::ostream& os, Indent const& indent,
-                     cmTarget::TargetType type,
                      const std::string& toDestDirPath);
 
   cmTarget* Target;