Bump libebml and libmatroska requirements to 1.0.0 for webm

Basically, we need that to be able to play correctly the matroska/webm
files that have unknow length segments

If you are running debian, use packages from experimental
If you are running Windows and Mac, the contribs are fine
Else, please contact your local distribution administrator

configure.ac

@@ -2311,21 +2311,21 @@ AC_ARG_ENABLE(mkv,
 if test "${enable_mkv}" != "no" -a "${CXX}" != ""; then
   AC_LANG_PUSH(C++)
   AC_CHECK_HEADERS(ebml/EbmlVersion.h, [
-    AC_MSG_CHECKING(for libebml version >= 0.7.7)
+    AC_MSG_CHECKING(for libebml version >= 1.0.0)
     AC_EGREP_CPP(yes,
       [#include <ebml/EbmlVersion.h>
        #ifdef LIBEBML_VERSION
-       #if LIBEBML_VERSION >= 0x000706
+       #if LIBEBML_VERSION >= 0x010000
        yes
        #endif
        #endif],
       [AC_MSG_RESULT([yes])
         AC_CHECK_HEADERS(matroska/KaxVersion.h, [
-          AC_MSG_CHECKING(for libmatroska version >= 0.8.0)
+          AC_MSG_CHECKING(for libmatroska version >= 1.0.0)
           AC_EGREP_CPP(yes,
             [#include <matroska/KaxVersion.h>
              #ifdef LIBMATROSKA_VERSION
-             #if LIBMATROSKA_VERSION >= 0x000705
+             #if LIBMATROSKA_VERSION >= 0x010000
              yes
              #endif
              #endif],
@@ -2343,7 +2343,7 @@ if test "${enable_mkv}" != "no" -a "${CXX}" != ""; then
                   VLC_ADD_PLUGIN([mkv])
                   VLC_ADD_LIBS([mkv],[-lmatroska -lebml])
                 ])
-	      )
+      )
             ],
             [AC_MSG_RESULT([no])
               AC_MSG_ERROR([Your libmatroska is too old: you may get a more recent one from http://dl.matroska.org/downloads/libmatroska/. Alternatively you can use --disable-mkv to disable the matroska plugin.])