Fix run-program-prefix comment

[Joseph S. Myers]

I put the wrong variable name in the comment explaining the semantics of 
run-program-prefix.  I've applied this patch to fix this (diff -U4 to show 
what the problem was).

diff --git a/ChangeLog b/ChangeLog
index a62630f..5077784 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
+2012-10-25  Joseph Myers  <joseph@codesourcery.com>
+
+	* Makeconfig (run-program-prefix): Fix comment.
+
 2012-10-24  Joseph Myers  <joseph@codesourcery.com>
 	    Jim Blandy  <jimb@codesourcery.com>
 
 	* Makeconfig (test-wrapper): New variable,
diff --git a/Makeconfig b/Makeconfig
index 2b9e735..70a3d9d 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -607,9 +607,9 @@ run-via-rtld-prefix =							      \
 	 --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)))
 else
 run-via-rtld-prefix =
 endif
-# $(run-via-rtld-prefix) is a command that, when prepended to the name
+# $(run-program-prefix) is a command that, when prepended to the name
 # of a program built with the newly built library, produces a command
 # that, executed on the build system on which "make" is run, runs that
 # program.
 run-program-prefix = $(test-wrapper) $(run-via-rtld-prefix)

-- 
Joseph S. Myers
joseph@codesourcery.com