configure: explicitly require shared glapi for enable-dri

We've been using and depending on it for at least a couple of years.
Make it obvious and error out, should one opt for it.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/configure.ac b/configure.ac
index 1d719be..6771aa6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1585,9 +1585,7 @@
 fi
 
 if test "x$enable_dri" = xyes; then
-    if test "$enable_static" = yes; then
-        AC_MSG_ERROR([Cannot use static libraries for DRI drivers])
-    fi
+    require_dri_shared_libs_and_glapi "DRI"
 
     # not a hard requirement as swrast does not depend on it
     if test "x$have_libdrm" = xyes; then