Merge branch 'MSVC-compiler-warnings'

* MSVC-compiler-warnings:
  Fix some MSVC compiler warnings in the test suite

Examples/test-suite/nested_in_template.i

@@ -19,7 +19,7 @@ struct OuterTemplate<1>
 
   struct ConcreteDerived : AbstractBase
   {
-    ConcreteDerived() : m_value(0.) {}
+    ConcreteDerived() : m_value(0) {}
     explicit ConcreteDerived(int value) : m_value(value) {}
 
     virtual bool IsSameAs(const AbstractBase& other) const {

Examples/test-suite/python_pybuffer.i

@@ -28,7 +28,7 @@
         ++count;
     return count;
   }
-  int func4(const char *buf4)
+  size_t func4(const char *buf4)
   {
     return strlen(buf4);
   }