rename.h: replace hwloc_ with HWLOC_ when renaming capital names

Thanks to Samuel K. Gutierrez for reporting this issue
a long time ago.

This shouldn't break anything since people are supposed
to call non-renamed symbols and let rename.h rename them.
In case it manages to break something, we're only changing
this in a major ABI-breaking release.

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>

doc/hwloc.doxy

@@ -3289,7 +3289,7 @@ HWLOC_SETUP_CORE <em>must</em> be invoked if using the m4 macros):
   hwloc's types and public symbols with "foo_"; meaning that function
   hwloc_init() becomes foo_hwloc_init().  Enum values are prefixed
   with an upper-case translation if the prefix supplied;
-  HWLOC_OBJ_CORE becomes FOO_hwloc_OBJ_CORE.  This is recommended
+  HWLOC_OBJ_CORE becomes FOO_HWLOC_OBJ_CORE.  This is recommended
   behavior if you are including hwloc in middleware -- it is possible
   that your software will be combined with other software that links
   to another copy of hwloc.  If both uses of hwloc utilize different

include/hwloc/rename.h

@@ -29,7 +29,7 @@ extern "C" {
 #define HWLOC_MUNGE_NAME2(a, b) a ## b
 #define HWLOC_NAME(name) HWLOC_MUNGE_NAME(HWLOC_SYM_PREFIX, hwloc_ ## name)
 /* FIXME: should be "HWLOC_ ## name" below, unchanged because it doesn't matter much and could break some embedders hacks */
-#define HWLOC_NAME_CAPS(name) HWLOC_MUNGE_NAME(HWLOC_SYM_PREFIX_CAPS, hwloc_ ## name)
+#define HWLOC_NAME_CAPS(name) HWLOC_MUNGE_NAME(HWLOC_SYM_PREFIX_CAPS, HWLOC_ ## name)
 
 /* Now define all the "real" names to be the prefixed names.  This
    allows us to use the real names throughout the code base (i.e.,