Apply suggestions from code review

Co-authored-by: Björn Gustavsson <bgustavsson@gmail.com>

Author: josevalim

erts/emulator/beam/erl_bif_binary.c

@@ -1897,7 +1897,7 @@ static Eterm do_split_global_result(Process *p, Eterm subject, BinaryFindContext
 
         if (!(extracted_size == 0 && do_trim)) {
             if (extracted_size == 0) {
-                if (empty_extracted == THE_NON_VALUE) {
+                if (is_non_value(empty_extracted)) {
                     empty_extracted = HEAP_BITSTRING(fa->factory.hp, base, 0, 0);
                     fa->factory.hp += heap_bits_size(0);
                 }
@@ -1927,7 +1927,7 @@ static Eterm do_split_global_result(Process *p, Eterm subject, BinaryFindContext
 
     if (!(extracted_size == 0 && do_trim)) {
         if (extracted_size == 0) {
-            if (empty_extracted == THE_NON_VALUE) {
+            if (is_non_value(empty_extracted)) {
                 empty_extracted = HEAP_BITSTRING(fa->factory.hp, base, 0, 0);
                 fa->factory.hp += heap_bits_size(0);
             }