Update cute_aseprite

Author: RobLoach

.gitmodules

@@ -2,3 +2,6 @@
 	path = vendor/raylib
 	url = https://github.com/raysan5/raylib.git
     ignore = dirty
+[submodule "vendor/cute_headers"]
+	path = vendor/cute_headers
+	url = https://github.com/RandyGaul/cute_headers.git

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.11)
 project (raylib-aseprite
-    VERSION 4.0.0
+    VERSION 4.0.1
     DESCRIPTION "raylib-aseprite"
     HOMEPAGE_URL "https://github.com/robloach/raylib-aseprite"
     LANGUAGES C)

include/cute_aseprite.h

@@ -908,10 +908,7 @@ ase_t* cute_aseprite_load_from_memory(const void* memory, int size, void* mem_ct
 		CUTE_ASEPRITE_ASSERT(bpp == 1);
 		ase->mode = ASE_MODE_INDEXED;
 	}
-	if (s_read_uint32(s) & 1) {
-		// Layer opacity has valid value.
-		// Ok... So?
-	}
+	uint32_t valid_layer_opacity = s_read_uint32(s) & 1;
 	int speed = s_read_uint16(s);
 	s_skip(s, sizeof(uint32_t) * 2); // Spec says skip these bytes, as they're zero'd.
 	ase->transparent_palette_entry_index = s_read_uint8(s);
@@ -963,6 +960,7 @@ ase_t* cute_aseprite_load_from_memory(const void* memory, int size, void* mem_ct
 				int blend_mode = (int)s_read_uint16(s);
 				if (blend_mode) CUTE_ASEPRITE_WARNING("Unknown blend mode encountered.");
 				layer->opacity = s_read_uint8(s) / 255.0f;
+				if (!valid_layer_opacity) layer->opacity = 1.0f;
 				s_skip(s, 3); // For future use (set to zero).
 				layer->name = s_read_string(s);
 				last_udata = &layer->udata;