qtplasmac: add missing globals to gcode filter

Author: snowgoer540

src/emc/usr_intf/qtplasmac/qtplasmac_gcode.py

@@ -314,7 +314,7 @@ def get_hole_diameter(I, J, isHole):
 
 # turn torch off and move 4mm (0.157) past hole end
 def overburn(I, J, radius):
-    global lineNum, lineNumOrg, errorLines, lastX, lastY, torchEnable, ocLength, warnCompTorch, arcDistMode, oBurnX, oBurnY
+    global lineNum, lineNumOrg, errorLines, lastX, lastY, torchEnable, ocLength, warnCompTorch, arcDistMode, oBurnX, oBurnY, codeWarn
     centerX = lastX + I
     centerY = lastY + J
     cosA = math.cos(ocLength / radius)
@@ -578,7 +578,7 @@ def check_material_edit():
 
 # write temporary materials file
 def write_temporary_material(data):
-    global lineNum, lineNumOrg, errorLines, errorTempMat, warnMatLoad, material, codeError
+    global lineNum, lineNumOrg, errorLines, errorTempMat, warnMatLoad, material, codeError, codeWarn
     try:
         with open(tmpMaterialFile, 'w') as fWrite:
             if gui == 'plasmac':
@@ -621,7 +621,7 @@ def write_temporary_material(data):
 
 # rewrite the material file
 def rewrite_material_file(newMaterial):
-    global lineNum, warnMatLoad, errorLines
+    global lineNum, warnMatLoad, errorLines, codeWarn
     copyFile = '{}.bkp'.format(materialFile)
     shutil.copy(materialFile, copyFile)
     inFile = open(copyFile, 'r')