qt qml opengl issue

Hello,

if i run my qml application within qt creator i can see the following output:
Starting C:\Users\geri\Desktop\build-qt_gui_test2-Desktop_Qt_5_3_MinGW_32bit-Debug\debug\qt_gui_test2.exe...
QML debugging is enabled. Only use this in a safe environment.
qrc:/main.qml:82: ReferenceError: ctrl is not defined
getProcAddress: Unable to resolve 'glResetMinmax'
getProcAddress: Unable to resolve 'glResetHistogram'
getProcAddress: Unable to resolve 'glMinmax'
getProcAddress: Unable to resolve 'glHistogram'
getProcAddress: Unable to resolve 'glGetMinmaxParameteriv'
getProcAddress: Unable to resolve 'glGetMinmaxParameterfv'
getProcAddress: Unable to resolve 'glGetMinmax'
getProcAddress: Unable to resolve 'glGetHistogramParameteriv'
getProcAddress: Unable to resolve 'glGetHistogramParameterfv'
getProcAddress: Unable to resolve 'glGetHistogram'
getProcAddress: Unable to resolve 'glSeparableFilter2D'
getProcAddress: Unable to resolve 'glGetSeparableFilter'
getProcAddress: Unable to resolve 'glGetConvolutionParameteriv'
getProcAddress: Unable to resolve 'glGetConvolutionParameterfv'
getProcAddress: Unable to resolve 'glGetConvolutionFilter'
getProcAddress: Unable to resolve 'glCopyConvolutionFilter2D'
getProcAddress: Unable to resolve 'glCopyConvolutionFilter1D'
getProcAddress: Unable to resolve 'glConvolutionParameteriv'
getProcAddress: Unable to resolve 'glConvolutionParameteri'
getProcAddress: Unable to resolve 'glConvolutionParameterfv'
getProcAddress: Unable to resolve 'glConvolutionParameterf'
getProcAddress: Unable to resolve 'glConvolutionFilter2D'
getProcAddress: Unable to resolve 'glConvolutionFilter1D'
getProcAddress: Unable to resolve 'glCopyColorSubTable'
getProcAddress: Unable to resolve 'glColorSubTable'
getProcAddress: Unable to resolve 'glGetColorTableParameteriv'
getProcAddress: Unable to resolve 'glGetColorTableParameterfv'
getProcAddress: Unable to resolve 'glGetColorTable'
getProcAddress: Unable to resolve 'glCopyColorTable'
getProcAddress: Unable to resolve 'glColorTableParameteriv'
getProcAddress: Unable to resolve 'glColorTableParameterfv'
getProcAddress: Unable to resolve 'glColorTable'

it seems there is some issue with opengl? how can i fix that? im on windows 7 32bit with qt 5.3.2 and mingw