change wording on text relocation message.

The current message is too alarmist.

Change-Id: I53e8eadca239f867b4e6b9c193eba96e267950c3
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 196acb6..4f05c7a 100755
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -1688,8 +1688,8 @@
          * phdr_table_protect_segments() after all of them are applied
          * and all constructors are run.
          */
-        DL_WARN("%s has text relocations. This is wasting memory and is "
-                "a security risk. Please fix.", si->name);
+        DL_WARN("%s has text relocations. This is wasting memory and prevents "
+                "security hardening. Please fix.", si->name);
         if (phdr_table_unprotect_segments(si->phdr, si->phnum, si->load_bias) < 0) {
             DL_ERR("can't unprotect loadable segments for \"%s\": %s",
                    si->name, strerror(errno));