Set the right size on the uniform bindings array.

BUG=angleproject:1468

Change-Id: I3d75a03fcf624fe7f9510e76edc4a8298d8c5a72
Reviewed-on: https://chromium-review.googlesource.com/412860
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index d74f330..86f68c9 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -323,7 +323,7 @@
     bindRenderbuffer(GL_RENDERBUFFER, 0);
 
     bindGenericUniformBuffer(0);
-    for (unsigned int i = 0; i < mCaps.maxCombinedUniformBlocks; i++)
+    for (unsigned int i = 0; i < mCaps.maxUniformBufferBindings; i++)
     {
         bindIndexedUniformBuffer(0, i, 0, -1);
     }