Fix kstars not detecting videodev2.h

This resolves Bug 1372

kstars/configure.in.in

@@ -87,7 +87,18 @@ case "$target" in
                         [have_v4l2=true],
 	                [have_v4l2=false],
 		        [#include <sys/time.h>
-#include <linux/videodev.h>])
+		         #include <linux/videodev2.h>])
+          if test x$have_v4l2 = xfalse; then
+            unset ac_cv_type_struct_v4l2_buffer
+	    AC_CHECK_TYPE([struct v4l2_buffer], 
+                          [have_v4l2=true],
+	                  [have_v4l2=false],
+		          [#include <sys/time.h>
+		           #include <linux/videodev.h>])
+	    if test x$have_v4l2 = xtrue; then
+	      AC_DEFINE(HAVE_LINUX_ALTERNATE_VIDEODEV_H, 1, [Define to 1 if you have the <linux/videodev.h> header file.])
+	    fi
+          fi
 	 if test x$have_v4l2 = xfalse; then
 	    KERNEL_VERSION=`uname -r`
 	    AC_CHECK_FILE(/lib/modules/$KERNEL_VERSION/build/include/linux/videodev2.h,

kstars/kstars/indi/v4lphilips.h

@@ -20,6 +20,8 @@
 
 */
 
+#include <config.h>
+
 #ifndef HAVE_LINUX_VIDEODEV2_H
 #include "webcam/v4l1_pwc.h"
 #endif 

kstars/kstars/indi/webcam/v4l1_base.h

@@ -24,7 +24,11 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_LINUX_ALTERNATE_VIDEODEV_H
 #include "videodev.h"
+#else
+#include "videodev2.h"
+#endif
 #include "../eventloop.h"
 
 class V4L1_Base

kstars/kstars/indi/webcam/v4l1_pwc.h

@@ -23,7 +23,11 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#ifdef HAVE_LINUX_ALTERNATE_VIDEODEV_H
 #include "videodev.h"
+#else
+#include "videodev2.h"
+#endif
 #include "v4l1_base.h"
 
 class V4L1_PWC : public V4L1_Base