fix comment when calling get_sym_name()

Fix incorrect comment, spotted by Florian K.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14199 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/m_debuginfo/debuginfo.c b/coregrind/m_debuginfo/debuginfo.c
index 0e73f07..333b8c5 100644
--- a/coregrind/m_debuginfo/debuginfo.c
+++ b/coregrind/m_debuginfo/debuginfo.c
@@ -1787,7 +1787,7 @@
                          a, fnname, 64,
                          /*match_anywhere_in_sym*/True, 
                          /*show offset?*/False,
-                         /*data syms only please*/True,
+                         /*text syms only*/True,
                          offset );
 }