Fix for use before assignment of addr variable

Author: dannyquist

qiling/loader/pe.py

@@ -642,6 +642,7 @@ def load(self):
                                 addr = self.import_address_table[dll_name][imp.name]
                             except KeyError:
                                 self.ql.log.debug("Error in loading function %s" % imp.name.decode())
+                                continue
                         else:
                             addr = self.import_address_table[dll_name][imp.ordinal]