helper/command.h: Add missing #includes

Change-Id: I84650a51cdb015f5e8ae933a3288f6e87f9fb80b
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>

src/helper/command.h

@@ -22,6 +22,8 @@
 #ifndef OPENOCD_HELPER_COMMAND_H
 #define OPENOCD_HELPER_COMMAND_H
 
+#include <stdint.h>
+#include <stdbool.h>
 #include <jim-nvp.h>
 
 /* To achieve C99 printf compatibility in MinGW, gnu_printf should be