Correct a small bug in the configuration of the plaintext annotations (reported by Nick Matthews)

Author: markus

modules/plotchart/ChangeLog

@@ -1,3 +1,6 @@
+2017-03-30  Arjen Markus  <arjenmarkus@users,sourceforge.net>
+	* plotannot.tcl:  Correct handling of the -textcolour option for plaintext (reported by Nick Matthews)
+
 2017-03-21  Arjen Markus  <arjenmarkus@users,sourceforge.net>
 	* plotchart.tcl:  Correct omission - dot plotting command for polar plots
 	* plotpriv.tcl:   Remove obsolete procedures (DrawLog*Dot and DrawPolarDot) - they have been replaced by DrawDot

modules/plotchart/plotannot.tcl

@@ -89,14 +89,14 @@ proc ::Plotchart::ConfigBalloon { w args } {
         switch -- $option {
             "font" -
             "margin" -
-            "textcolour" -
             "justify" -
             "arrowsize" -
             "background" -
             "outline" -
             "rimwidth" {
                 set settings($w,balloon$option) $value
             }
+            "textcolour" -
             "textcolor" {
                 set settings($w,balloontextcolour) $value
             }
@@ -121,10 +121,10 @@ proc ::Plotchart::ConfigPlainText { w args } {
         set option [string range $option 1 end]
         switch -- $option {
             "font" -
-            "textcolour" -
             "justify" {
                 set settings($w,text$option) $value
             }
+            "textcolour" -
             "textcolor" {
                 set settings($w,textcolour) $value
             }