Bump the major version number.

With OpenGL ES 3.0 now fully supported, this will help discern between
older and newer builds.

Change-Id: I2506d09cf8c9bc59e3c60918ce3d758b0f20586a
Reviewed-on: https://swiftshader-review.googlesource.com/16409
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>

src/Common/Version.h

diff --git a/src/Common/Version.h b/src/Common/Version.h
index d1beda2..627366d 100644
--- a/src/Common/Version.h
+++ b/src/Common/Version.h
@@ -12,10 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#define MAJOR_VERSION 3
-#define MINOR_VERSION 3
+#define MAJOR_VERSION 4
+#define MINOR_VERSION 0
 #define BUILD_VERSION 0
-#define BUILD_REVISION 2
+#define BUILD_REVISION 0
 
 #define STRINGIFY(x) #x
 #define MACRO_STRINGIFY(x) STRINGIFY(x)