Consider QVTK* headers in WhatModulesVTK.py

Headers installed by the Qt and QtOpenGL modules in GUISupport use this
header naming convention. This allows the script to identify that including
QVTKWidget.h means you depend on the vtkGUISupportQt module, for instance

Utilities/Maintenance/WhatModulesVTK.py

@@ -86,7 +86,7 @@ def IncludesToPaths(path, renderingBackend='OpenGL'):
     Build a dict that maps include files to paths.
     '''
     includeToPath = dict()
-    prog = re.compile(r"(vtk.*\.h)")
+    prog = re.compile(r"((?:vtk|QVTK).*\.h)")
     for root, dirs, files in os.walk(path):
         for f in files:
             if prog.match(f):
@@ -125,7 +125,7 @@ def FindIncludes(path):
     Build a set that contains vtk includes.
     '''
     includes = set()
-    includeProg = re.compile(r"(vtk.*\.h)")
+    includeProg = re.compile(r"((?:vtk|QVTK).*\.h)")
     fid = open(path, "r")
     contents = fid.read()
     incs = includeProg.findall(contents)