Make sure polarssl/config.h is included at the start
(cherry picked from commit 9691bbe9b32fead5d5268f171d1e185f61a43ac3)
diff --git a/tests/scripts/generate_code.pl b/tests/scripts/generate_code.pl
index 366514e..75d741d 100755
--- a/tests/scripts/generate_code.pl
+++ b/tests/scripts/generate_code.pl
@@ -49,6 +49,7 @@
 open(TEST_FILE, ">$test_file") or die "Opening destination file '$test_file': $!";
 print TEST_FILE << "END";
 #include "fct.h"
+#include <polarssl/config.h>
 
 $suite_header