Fixed a compilation error in C wrappers

wrappers/generateWrappers.py

@@ -68,7 +68,7 @@ class WrapperGenerator:
     
     def __init__(self, inputDirname, output):
         self.skipClasses = ['OpenMM::Vec3', 'OpenMM::XmlSerializer', 'OpenMM::Kernel', 'OpenMM::KernelImpl', 'OpenMM::KernelFactory', 'OpenMM::ContextImpl', 'OpenMM::SerializationNode', 'OpenMM::SerializationProxy']
-        self.skipMethods = ['OpenMM::Context::getState', 'OpenMM::Platform::loadPluginsFromDirectory', 'OpenMM::Context::createCheckpoint', 'OpenMM::Context::loadCheckpoint']
+        self.skipMethods = ['OpenMM::Context::getState', 'OpenMM::Platform::loadPluginsFromDirectory', 'OpenMM::Context::createCheckpoint', 'OpenMM::Context::loadCheckpoint', 'OpenMM::Context::getMolecules']
         self.hideClasses = ['Kernel', 'KernelImpl', 'KernelFactory', 'ContextImpl', 'SerializationNode', 'SerializationProxy']
         self.nodeByID={}