Prefix blogs with blog-, fix minor leaks

build.c

@@ -34,10 +34,10 @@ int main(int argc, char ** argv)
                 "./etc/me.jpg", \
                 "./etc/tmoa-engine.jpg", \
                 "./etc/tmoa-garbage.jpg", \
-                "./blog/welcome.md", \
-                "./blog/weird-page.md", \
-                "./blog/curious-case-of-gebs.md", \
-                "./blog/the-making-of-aboba.md"
+                "./blog/blog-welcome.md", \
+                "./blog/blog-weird-page.md", \
+                "./blog/blog-curious-case-of-gebs.md", \
+                "./blog/blog-the-making-of-aboba.md"
 
         RULE("./aboba",
                 "./main.c",