Fix initialization warnings from Clang.

src/hle/rt64_rsp.cpp

@@ -50,10 +50,10 @@ namespace RT64 {
         projMatrixStack[0] = hlslpp::float4x4(0.0f);
         viewProjMatrixStack[0] = hlslpp::float4x4(0.0f);
         invViewProjMatrixStack[0] = hlslpp::float4x4(0.0f);
-        vertices.fill({ 0 });
+        vertices.fill({});
         indices.fill(0);
         used.reset();
-        lights.fill({ 0 });
+        lights.fill({});
         segments.fill(0);
         viewportStack[0] = {};
         textureState = {};

src/hle/rt64_state.cpp

@@ -834,7 +834,7 @@ namespace RT64 {
                     extraParams.rspLightDiffuseMix = gameConfig.rspLightAsDiffuse ? gameConfig.rspLightIntensity : 0.0f;
                     shaderDesc.colorCombiner = callDesc.colorCombiner;
                     shaderDesc.otherMode = callDesc.otherMode;
-                    shaderDesc.flags = { 0 };
+                    shaderDesc.flags = {};
 
                     // TODO: Reimplement proper decals in RT.
                     const float DepthDecalBias = 0.02f;

src/hle/rt64_vi.cpp

@@ -157,7 +157,7 @@ namespace RT64 {
     VIHistory::VIHistory() {
         historyCursor = 0;
         factorCursor = 0;
-        history.fill({ 0 });
+        history.fill({});
         factors.fill(0);
     }
 

src/render/rt64_texture_cache.cpp

@@ -135,7 +135,7 @@ namespace RT64 {
         return textures[index];
     }
 
-    const size_t TextureMap::getMaxIndex() const {
+    size_t TextureMap::getMaxIndex() const {
         return textures.size();
     }
 

src/render/rt64_texture_cache.h

@@ -65,7 +65,7 @@ namespace RT64 {
         void incrementLock();
         void decrementLock();
         const Texture *get(uint32_t index) const;
-        const size_t getMaxIndex() const;
+        size_t getMaxIndex() const;
     };
 
     struct TextureCache {