tree a96b17e92bbed419de6ac26e2ac7077b3e461093
parent c9f4a556ddc4154909c8d83323ac3b7b3dc38a1c
author Andrew Jeffery <andrew@aj.id.au> 1683008596 +0930
committer Andrew Jeffery <andrew@aj.id.au> 1683009032 +0930

test: ringbuffer-test-utils: Add stdlib.h for malloc()/free()

Include what we use to address clang-tidy issues:

```
Error while processing /mnt/host/andrew/home/andrew/src/openbmc/obmc-console/test/ringbuffer-test-utils.c.
/mnt/host/andrew/home/andrew/src/openbmc/obmc-console/test/ringbuffer-test-utils.c:25:2: error: call to undeclared library function 'free' with type 'void (void *)'; ISO C99 and later do not support implicit function declarations [clang-diagnostic-implicit-function-declaration]
        free(ctx->data);
        ^
/mnt/host/andrew/home/andrew/src/openbmc/obmc-console/test/ringbuffer-test-utils.c:25:2: note: include the header <stdlib.h> or explicitly provide a declaration for 'free'
/mnt/host/andrew/home/andrew/src/openbmc/obmc-console/test/ringbuffer-test-utils.c:64:15: error: call to undeclared library function 'realloc' with type 'void *(void *, unsigned long)'; ISO C99 and later do not support implicit function declarations [clang-diagnostic-implicit-function-declaration]
                ctx->data = realloc(ctx->data, ctx->len + len);
                            ^
/mnt/host/andrew/home/andrew/src/openbmc/obmc-console/test/ringbuffer-test-utils.c:64:15: note: include the header <stdlib.h> or explicitly provide a declaration for 'realloc'
```

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Icf6d9ab735fb035572e8953ec474afd81efa53e9