Match switch format to others in file.

lib/astc_codec.cpp

@@ -588,27 +588,27 @@ launchThreads(int threadCount, void (*func)(int, int, void*), void *payload) {
 static ktx_error_code_e
 mapAstcError(astcenc_error astc_error) {
     switch (astc_error) {
-      case ASTCENC_SUCCESS:
+    case ASTCENC_SUCCESS:
         return KTX_SUCCESS;
-      case ASTCENC_ERR_OUT_OF_MEM:
+    case ASTCENC_ERR_OUT_OF_MEM:
         return KTX_OUT_OF_MEMORY;
-      case ASTCENC_ERR_BAD_BLOCK_SIZE: [[fallthrough]];
-	  case ASTCENC_ERR_BAD_DECODE_MODE: [[fallthrough]];
-      case ASTCENC_ERR_BAD_FLAGS: [[fallthrough]];
-      case ASTCENC_ERR_BAD_PARAM: [[fallthrough]];
-      case ASTCENC_ERR_BAD_PROFILE: [[fallthrough]];
-      case ASTCENC_ERR_BAD_QUALITY: [[fallthrough]];
-      case ASTCENC_ERR_BAD_SWIZZLE:
+    case ASTCENC_ERR_BAD_BLOCK_SIZE: [[fallthrough]];
+    case ASTCENC_ERR_BAD_DECODE_MODE: [[fallthrough]];
+    case ASTCENC_ERR_BAD_FLAGS: [[fallthrough]];
+    case ASTCENC_ERR_BAD_PARAM: [[fallthrough]];
+    case ASTCENC_ERR_BAD_PROFILE: [[fallthrough]];
+    case ASTCENC_ERR_BAD_QUALITY: [[fallthrough]];
+    case ASTCENC_ERR_BAD_SWIZZLE:
         assert(false && "libktx passing bad parameter to astcenc");
         return KTX_INVALID_VALUE;
-      case ASTCENC_ERR_BAD_CONTEXT:
+    case ASTCENC_ERR_BAD_CONTEXT:
         assert(false && "libktx has set up astcenc context incorrectly");
         return KTX_INVALID_OPERATION;
-      case ASTCENC_ERR_BAD_CPU_FLOAT:
+    case ASTCENC_ERR_BAD_CPU_FLOAT:
         assert(false && "Code compiled in way that float operations do not meet codec's assumptions.");
         // Most likely compiled with fast match enabled.
         return KTX_INVALID_OPERATION;
-      case ASTCENC_ERR_NOT_IMPLEMENTED:
+    case ASTCENC_ERR_NOT_IMPLEMENTED:
         assert(false && "ASTCENC_BLOCK_MAX_TEXELS not enough for specified block size");
         return KTX_UNSUPPORTED_FEATURE;
     }