merge revision(s) r49034: [Backport ruby#10662]

	* ext/tk/lib/tkextlib/tcllib/plotchart.rb: fix to invoke correct function
	  of tcllib. Patch by @zalt50 [fix rubyGH-787]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49651 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,8 @@
+Thu Feb 19 19:10:53 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* ext/tk/lib/tkextlib/tcllib/plotchart.rb: fix to invoke correct function
+	  of tcllib. Patch by @zalt50 [fix GH-787]
+
 Wed Feb 18 00:27:57 2015  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/net/http.rb:  Do not attempt SSL session resumption when the

ext/tk/lib/tkextlib/tcllib/plotchart.rb

@@ -142,7 +142,7 @@ def self.polar_to_pixel(w, rad, phi)
   end
 
   def self.pixel_to_coords(w, x, y)
-    list(tk_call_without_enc('::Plotchart::coordsToPixel', w.path, x, y))
+    list(tk_call_without_enc('::Plotchart::pixelToCoords', w.path, x, y))
   end
 
   def self.determine_scale(*args) # (xmin, xmax, inverted=false)
@@ -311,7 +311,7 @@ def polar_to_pixel(rad, phi)
     end
 
     def pixel_to_coords(x, y)
-      list(tk_call_without_enc('::Plotchart::coordsToPixel', @path, x, y))
+      list(tk_call_without_enc('::Plotchart::pixelToCoords', @path, x, y))
     end
 
     def determine_scale(xmax, ymax)

version.h

@@ -1,10 +1,10 @@
 #define RUBY_VERSION "2.1.5"
-#define RUBY_RELEASE_DATE "2015-02-18"
-#define RUBY_PATCHLEVEL 297
+#define RUBY_RELEASE_DATE "2015-02-19"
+#define RUBY_PATCHLEVEL 298
 
 #define RUBY_RELEASE_YEAR 2015
 #define RUBY_RELEASE_MONTH 2
-#define RUBY_RELEASE_DAY 18
+#define RUBY_RELEASE_DAY 19
 
 #include "ruby/version.h"