rename foo variables to better names

Source/cmCacheManager.h

@@ -61,10 +61,10 @@ public:
     CacheEntryType GetType() const { return this->GetEntry().m_Type; }
     cmCacheManager &m_Container;
     std::map<cmStdString, CacheEntry>::iterator m_Position;
-    CacheIterator(cmCacheManager &foo) : m_Container(foo) {
+    CacheIterator(cmCacheManager &cm) : m_Container(cm) {
       this->Begin();
     }
-    CacheIterator(cmCacheManager &foo, const char* key) : m_Container(foo) {
+    CacheIterator(cmCacheManager &cm, const char* key) : m_Container(cm) {
       this->Find(key);
     }
   private:

Source/cmSystemTools.cxx

@@ -1336,8 +1336,9 @@ bool cmSystemTools::RunCommand(const char* command,
                                bool verbose,
                                int timeout)
 {
-  int foo;
-  return cmSystemTools::RunCommand(command, output, foo, dir, verbose, timeout);
+  int dummy;
+  return cmSystemTools::RunCommand(command, output, dummy, 
+                                   dir, verbose, timeout);
 }
 
 #if defined(WIN32) && !defined(__CYGWIN__)
@@ -2476,4 +2477,3 @@ void cmSystemTools::SplitProgramFromArgs(const char* path,
   program = "";
   args = "";
 }
-