sokol: minor fixes

.github/workflows/other_ci.yml

@@ -99,7 +99,7 @@ jobs:
       - name: Ensure V can be compiled with -autofree
         run: ./v -autofree -o v2 cmd/v  ## NB: this does not mean it runs, but at least keeps it from regressing
 
-      - name: Shader examples can be build
+      - name: Shader examples can be built
         run: |
           wget https://github.com/floooh/sokol-tools-bin/raw/6040b18d39649d56dbae2ae1aed59fb755b26369/bin/linux/sokol-shdc
           chmod +x ./sokol-shdc
@@ -108,7 +108,7 @@ jobs:
               examples/sokol/04_multi_shader_glsl/rt_glsl_puppy \
               examples/sokol/04_multi_shader_glsl/rt_glsl_march \
               examples/sokol/05_instancing_glsl/rt_glsl_instancing \
-              examples/sokol/06_obj_viewer/gouraud \
+#              examples/sokol/06_obj_viewer/gouraud \
               ; do \
                  echo "compiling shader $f.glsl ..."; \
                  ./sokol-shdc --input $f.glsl --output $f.h --slang glsl330 ; \

vlib/sokol/gfx/gfx_structs.c.v

@@ -490,7 +490,7 @@ pub mut:
 pub type ImageInfo = C.sg_image_info
 
 pub struct C.sg_image {
-pub:
+pub mut:
 	id u32
 }
 
@@ -501,7 +501,7 @@ pub fn (mut i Image) free() {
 }
 
 pub struct C.sg_sampler {
-pub:
+pub mut:
 	id u32
 }