Avoid implicit-int error in x86 test with clang 15
See
@@ -387,7 +387,7 @@ test_x86:
@echo "[*] Testing the PATH environment variable..."
@test "$${PATH}" != "$${PATH#.:}" && { echo "Please remove current directory '.' from PATH to avoid recursion of 'as', thanks!"; echo; exit 1; } || :
@echo "[*] Checking for the ability to compile x86 code..."
- @echo 'main() { __asm__("xorb %al, %al"); }' | $(CC) $(CFLAGS) $(LDFLAGS) -w -x c - -o .test1 || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "Don't panic! You can use the LLVM or QEMU mode, but see docs/INSTALL first."; echo "(To ignore this error, set AFL_NO_X86=1 and try again.)"; echo; exit 1 )
+ @echo 'int main() { __asm__("xorb %al, %al"); }' | $(CC) $(CFLAGS) $(LDFLAGS) -w -x c - -o .test1 || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "Don't panic! You can use the LLVM or QEMU mode, but see docs/INSTALL first."; echo "(To ignore this error, set AFL_NO_X86=1 and try again.)"; echo; exit 1 )
@rm -f .test1
else
test_x86:
