Fixes from PR code review.

Inline MVKRenderSubpass::hasDepthStencilAttachment() and fix minor comment typo.
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm b/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
index f7cdf05..b47ad78 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
@@ -1452,7 +1452,7 @@
 												: mvkMTLPrimitiveTopologyClassFromVkPrimitiveTopology(pCreateInfo->pInputAssemblyState->topology);
 	}
 
-    // Color attachments - must ignore bad pColorBlendState pointer if rasterization is disable or subpass has not color attachments
+    // Color attachments - must ignore bad pColorBlendState pointer if rasterization is disabled or subpass has no color attachments
     uint32_t caCnt = 0;
     if (_isRasterizingColor && pCreateInfo->pColorBlendState) {
         for (uint32_t caIdx = 0; caIdx < pCreateInfo->pColorBlendState->attachmentCount; caIdx++) {
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.h b/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.h
index a40403a..76f83a6 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.h
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.h
@@ -56,7 +56,7 @@
 	bool hasColorAttachments();
 
 	/** Returns whether this subpass has a depth/stencil attachment. */
-	bool hasDepthStencilAttachment();
+	bool hasDepthStencilAttachment() { return _depthStencilAttachment.attachment != VK_ATTACHMENT_UNUSED; }
 
 	/** Returns the number of color attachments, which may be zero for depth-only rendering. */
 	uint32_t getColorAttachmentCount() { return uint32_t(_colorAttachments.size()); }
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm b/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm
index 0c544b1..bced648 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm
@@ -42,10 +42,6 @@
 	return false;
 }
 
-bool MVKRenderSubpass::hasDepthStencilAttachment() {
-	return _depthStencilAttachment.attachment != VK_ATTACHMENT_UNUSED;
-}
-
 VkFormat MVKRenderSubpass::getColorAttachmentFormat(uint32_t colorAttIdx) {
 	if (colorAttIdx < _colorAttachments.size()) {
 		uint32_t rpAttIdx = _colorAttachments[colorAttIdx].attachment;