Rename M_VG_ERRTXT as VG_ERRTXT_LEN, which is more consistent with other
names.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3430 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/core.h b/coregrind/core.h
index 481d4f7..9555326 100644
--- a/coregrind/core.h
+++ b/coregrind/core.h
@@ -106,7 +106,7 @@
    ------------------------------------------------------------------ */
 
 /* Max length of a text fragment used to construct error messages. */
-#define M_VG_ERRTXT 4096
+#define VG_ERRTXT_LEN 4096
 
 /* The maximum number of calls we're prepared to save in a
    backtrace. */