intel: Check viewport/scissor count against proper limit

This has nothing to do with #render targets.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
diff --git a/icd/intel/state.c b/icd/intel/state.c
index dcd8617..5dd51d8 100644
--- a/icd/intel/state.c
+++ b/icd/intel/state.c
@@ -98,7 +98,7 @@
 
     state->viewport_count = info->viewportAndScissorCount;
 
-    assert(info->viewportAndScissorCount < INTEL_MAX_RENDER_TARGETS);
+    assert(info->viewportAndScissorCount <= INTEL_MAX_VIEWPORTS);
 
     if (intel_gpu_gen(gpu) >= INTEL_GEN(7)) {
         state->cmd_len = 16 * info->viewportAndScissorCount;