plugins: Use stdint.h instead of _stdint.h

_stdint.h is generated by Autotools and we don't really need it. All
supported platforms now ship with stdint.h. The only stickler was MSVC,
and since Visual Studio 2015 it also ships stdint.h now.

ext/dts/gstdtsdec.c

@@ -38,8 +38,11 @@
 #include "config.h"
 #endif
 
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
 #include <string.h>
-#include "_stdint.h"
 #include <stdlib.h>
 
 #include <gst/gst.h>

ext/resindvd/resindvdsrc.h

@@ -23,7 +23,9 @@
 
 #include <gst/base/gstbasesrc.h>
 
-#include "_stdint.h"
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
 
 #include <dvdnav/dvdnav.h>
 #include <dvdread/ifo_read.h>

gst/bayer/gstbayer2rgb.c

@@ -80,7 +80,11 @@
 #include <gst/video/video.h>
 #include <string.h>
 #include <stdlib.h>
-#include <_stdint.h>
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
 #include "gstbayerorc.h"
 
 #define GST_CAT_DEFAULT gst_bayer2rgb_debug

gst/dccp/gstdccp_common.h

@@ -38,9 +38,19 @@
 #define socklen_t int
 #endif
 #endif
+
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
-#include <_stdint.h>
+#endif
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+
 #include <string.h>
 
 #endif /* __GST_DCCP_NET_H__ */

gst/librfb/d3des.c

@@ -26,8 +26,13 @@
  * (GEnie : OUTER; CIS : [71755,204]) Graven Imagery, 1992.
  */
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
-#include "_stdint.h"
+#endif
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
 
 #include "d3des.h"
 

sys/fbdev/gstfbdevsink.c

@@ -34,8 +34,14 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
+
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
-#include "_stdint.h"
+#endif
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
 
 #include "gstfbdevsink.h"