Fix some compiler warnings (specifically, from icc v8.0)

This commit was SVN r4093.

include/ompi_config_bottom.h

@@ -29,12 +29,14 @@
 #endif
 
 #if defined(WIN32) 
-#if defined(OMPI_BUILDING) && OMPI_BUILDING
+#    if defined(OMPI_BUILDING)
+#        if OMPI_BUILDING
 #            define OMPI_DECLSPEC __declspec(dllexport)
 #        else
 #            define OMPI_DECLSPEC __declspec(dllimport)
 #        endif
 #   endif
+#endif
 
 #ifndef OMPI_DECLSPEC
 #define OMPI_DECLSPEC
@@ -168,10 +170,12 @@ typedef long long bool;
 /*
  * Do we want to override debugging controls?
  */
-#if defined(OMPI_ENABLE_DEBUG_OVERRIDE) && OMPI_ENABLE_DEBUG_OVERRIDE
+#if defined(OMPI_ENABLE_DEBUG_OVERRIDE)
+#    if OMPI_ENABLE_DEBUG_OVERRIDE
 #        undef OMPI_ENABLE_DEBUG
 #        define OMPI_ENABLE_DEBUG 1
 #    endif
+#endif
 
 
 /*

src/attribute/attribute.c

@@ -90,7 +90,8 @@ static void ompi_attrkey_item_destruct(ompi_attrkey_item_t *item);
  * ompi_attribute_entry_t classes
  */
 
-OBJ_CLASS_INSTANCE(ompi_attrkey_item_t, 
+struct ompi_attrkey_item_t_class;
+static OBJ_CLASS_INSTANCE(ompi_attrkey_item_t, 
                           ompi_object_t,
                           ompi_attrkey_item_construct,
                           ompi_attrkey_item_destruct);

src/class/ompi_object.h

@@ -194,7 +194,7 @@
     do {                                                                \
         assert(NULL != object);                                         \
         assert(NULL != ((ompi_object_t *) (object))->obj_class);        \
-        if (object) {                                                   \
+        if (NULL != object) {                                           \
             ompi_obj_update((ompi_object_t *) (object), 1);             \
         }                                                               \
         assert(((ompi_object_t *) (object))->obj_reference_count >= 0); \
@@ -238,7 +238,7 @@
         if (0 == (type)->cls_initialized) {                             \
             ompi_class_initialize((type));                              \
         }                                                               \
-        if (object) {                                                   \
+        if (NULL != object) {                                          \
             ((ompi_object_t *) (object))->obj_class = (type);           \
             ((ompi_object_t *) (object))->obj_reference_count = 1;      \
             ompi_obj_run_constructors((ompi_object_t *) (object));      \
@@ -253,7 +253,7 @@
  */
 #define OBJ_DESTRUCT(object)                                      \
     do {                                                          \
-        if (object) {                                             \
+        if (NULL != object) {                                     \
             ompi_obj_run_destructors((ompi_object_t *) (object)); \
         }                                                         \
     } while (0)