gh-117680: Fix msvc warning in instruction_sequence.c (#118326)

Author: neonene

Python/instruction_sequence.c

@@ -20,6 +20,8 @@ typedef _Py_SourceLocation location;
 #define INITIAL_INSTR_SEQUENCE_SIZE 100
 #define INITIAL_INSTR_SEQUENCE_LABELS_MAP_SIZE 10
 
+#include "clinic/instruction_sequence.c.h"
+
 #undef SUCCESS
 #undef ERROR
 #define SUCCESS 0
@@ -172,8 +174,6 @@ class InstructionSequenceType "_PyInstructionSequence *" "&_PyInstructionSequenc
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=589963e07480390f]*/
 
-#include "clinic/instruction_sequence.c.h"
-
 static _PyInstructionSequence*
 inst_seq_create(void)
 {