aewan: apply patches to fix build failures

- https://sourceforge.net/p/aewan/bugs/14/
- https://sourceforge.net/p/aewan/bugs/16/

pkgs/by-name/ae/aewan/package.nix

···
       # patch is in CVS diff format, add 'a/' prefix
       extraPrefix = "";
     })
+    # https://sourceforge.net/p/aewan/bugs/14/
+    (fetchpatch {
+      url = "https://sourceforge.net/p/aewan/bugs/14/attachment/aewan-1.0.01-fix-incompatible-function-pointer-types.patch";
+      sha256 = "sha256-NlnsOe/OCMXCrehBq20e0KOMcWt5rUv9fIvu9eoOMqw=";
+    })
+    # https://sourceforge.net/p/aewan/bugs/16/
+    (fetchpatch {
+      url = "https://sourceforge.net/p/aewan/bugs/16/attachment/implicit-function-declaration.patch";
+      sha256 = "sha256-RWFJRDaYoiQySkB2L09JHSX90zgIJ9q16IrPhg03Ruc=";
+      # patch is in CVS diff format, add 'a/' prefix
+      extraPrefix = "";
+    })
   ];
 
   buildInputs = [