Add missing stdlib.h and ctype.h includes

src/mediactl.c needs ctype.h for its use of isspace().

src/v4l2subdev.c needs stdlib.h for strtoul() and ctype.h for isspace() and isupper().

Signed-off-by Andreas Bombe <[email protected]>

---
 src/mediactl.c   |    1 +
 src/v4l2subdev.c |    2 ++
 2 files changed, 3 insertions(+)

src/mediactl.c +1 -0

index 46562de..c2f985a 100644
@@ -29,6 +29,7 @@
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <ctype.h>
 #include <string.h>
 #include <fcntl.h>
 #include <errno.h>

src/v4l2subdev.c +2 -0

index d0c37f3..87d7eb7 100644
@@ -26,6 +26,8 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdbool.h>
+#include <stdlib.h>
+#include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>