tools/gpio: Don't use u_int32_t

u_int32_t is a non-standard version of uint32_t, that was apparently
introduced by BSD. Use uint32_t from stdint.h instead.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

tools/gpio/gpio-event-mon.c

@@ -14,6 +14,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <dirent.h>
 #include <errno.h>
@@ -27,8 +28,8 @@
 
 int monitor_device(const char *device_name,
 		   unsigned int line,
-		   u_int32_t handleflags,
-		   u_int32_t eventflags,
+		   uint32_t handleflags,
+		   uint32_t eventflags,
 		   unsigned int loops)
 {
 	struct gpioevent_request req;
@@ -145,8 +146,8 @@ int main(int argc, char **argv)
 	const char *device_name = NULL;
 	unsigned int line = -1;
 	unsigned int loops = 0;
-	u_int32_t handleflags = GPIOHANDLE_REQUEST_INPUT;
-	u_int32_t eventflags = 0;
+	uint32_t handleflags = GPIOHANDLE_REQUEST_INPUT;
+	uint32_t eventflags = 0;
 	int c;
 
 	while ((c = getopt(argc, argv, "c:n:o:dsrf?")) != -1) {