corrected warnings when compiling with -Wall -W

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15351 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/dynlib.cpp

@@ -457,7 +457,7 @@ const char *dlerror()
     return dl_last_error;
 }
 
-void *dlopen(const char *path, int mode /* mode is ignored */)
+void *dlopen(const char *path, int WXUNUSED(mode) /* mode is ignored */)
 {
     int dyld_result;
     NSObjectFileImage ofile;
@@ -484,7 +484,7 @@ int dlclose(void *handle)
     return 0;
 }
 
-void *dlsym(void *handle, const char *symbol)
+void *dlsym(void *WXUNUSED(handle), const char *symbol)
 {
     void *addr;
 

src/common/image.cpp

@@ -131,6 +131,7 @@ wxImage::wxImage( wxInputStream& stream, const wxString& mimetype, int index )
 #endif // wxUSE_STREAMS
 
 wxImage::wxImage( const wxImage& image )
+    : wxObject()
 {
     Ref(image);
 }

src/common/matrix.cpp

@@ -39,6 +39,7 @@ wxTransformMatrix::wxTransformMatrix(void)
 }
 
 wxTransformMatrix::wxTransformMatrix(const wxTransformMatrix& mat)
+    : wxObject()
 {
     (*this) = mat;
 }

src/common/sizer.cpp

@@ -501,7 +501,7 @@ wxSize wxSizer::GetMaxClientSize( wxWindow *window )
         return wxDefaultSize;
 }
 
-wxSize wxSizer::GetMinClientSize( wxWindow *window )
+wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) )
 {
     return GetMinSize();  // Already returns client size.
 }