Fixed some valgrind warnings about uninitialized variables.

common/lc_mesh.cpp

@@ -11,6 +11,9 @@ lcMesh::lcMesh()
 {
 	mSections = NULL;
 	mNumSections = 0;
+	mNumVertices = 0;
+	mNumTexturedVertices = 0;
+	mIndexType = 0;
 }
 
 lcMesh::~lcMesh()

common/project.cpp

@@ -68,6 +68,8 @@ Project::Project()
 	m_pBackground = new lcTexture();
 	m_nAutosave = Sys_ProfileLoadInt ("Settings", "Autosave", 10);
 	m_nMouse = Sys_ProfileLoadInt ("Default", "Mouse", 11);
+	m_nDownX = 0;
+	m_nDownY = 0;
 	strcpy(m_strModelsPath, Sys_ProfileLoadString ("Default", "Projects", ""));
 
 	if (messenger == NULL)