Convert "skin" to "tool" in various places;  almost entirely within comments,
nothing that will affect code.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2217 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/valgrind.h b/include/valgrind.h
index 52a4f37..8cd07c9 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -159,7 +159,7 @@
              Valgrind's output to /dev/null and still count errors. */
           VG_USERREQ__COUNT_ERRORS = 0x1201,
 
-          /* These are useful and can be interpreted by any skin that tracks
+          /* These are useful and can be interpreted by any tool that tracks
              malloc() et al, by using vg_replace_malloc.c. */
           VG_USERREQ__MALLOCLIKE_BLOCK = 0x1301,
           VG_USERREQ__FREELIKE_BLOCK   = 0x1302,
@@ -273,8 +273,8 @@
    })
 
 
-/* Counts the number of errors that have been recorded by a skin.  Nb:
-   the skin must record the errors with VG_(maybe_record_error)() or
+/* Counts the number of errors that have been recorded by a tool.  Nb:
+   the tool must record the errors with VG_(maybe_record_error)() or
    VG_(unique_error)() for them to be counted. */
 #define VALGRIND_COUNT_ERRORS                                           \
    ({unsigned int _qyy_res;                                             \
diff --git a/include/vg_profile.c b/include/vg_profile.c
index cc732e1..877efad 100644
--- a/include/vg_profile.c
+++ b/include/vg_profile.c
@@ -1,7 +1,7 @@
 
 /*--------------------------------------------------------------------*/
-/*--- Profiling machinery.  #include this file into a skin to      ---*/
-/*--- enable --profile=yes, but not for release versions of skins, ---*/
+/*--- Profiling machinery.  #include this file into a tool to      ---*/
+/*--- enable --profile=yes, but not for release versions of tools, ---*/
 /*--- because it uses glibc code.                                  ---*/
 /*---                                                 vg_profile.c ---*/
 /*--------------------------------------------------------------------*/
@@ -76,7 +76,7 @@
    if (vgp_names[n] != NULL) {
       VG_(printf)("\nProfile event #%d being registered as `%s'\n"
                   "already registered as `%s'.\n"
-                  "Note that skin and core event numbers must not overlap.\n",
+                  "Note that tool and core event numbers must not overlap.\n",
                   n, name, vgp_names[n]);
       VG_(skin_panic)("profile event already registered");
    }