fix total scattering file path issue for rmcprofile

Author: Kvieta1990

.notes/.linenoteplus

@@ -0,0 +1,5 @@
+# The location of this `.linenoteplus` file determines
+# the path to store and retrieve your notes.
+
+# To relocate your notes, simply move or rename 
+# the directory that contains this `.linenoteplus` file.

GSASII/GSASIIrmcGUI.py

@@ -271,7 +271,7 @@ def OnPlotBtn(event):
             XY = np.empty((1,2))
             while XY.shape[0] == 1:
                 try:
-                    XY = np.loadtxt(fileItem[0],skiprows=start)
+                    XY = np.loadtxt(os.path.join(G2frame.LastGPXdir,fileItem[0]),skiprows=start)
                 except ValueError:
                     start += 1
                     if start > 500:     #absurd number of header lines!