Fix missing dependency files after 882564edf.

This was leading to not rebuilding when needed when files
in src/ were updated, resulting in random crashes due to
different sizes of structs.

build/autotools/includes/depend.m4

@@ -59,7 +59,7 @@ for mf in $files; do
         rm -f "$dirpart/${base}.${suffix}"
       fi
     fi
-    echo "include .deps/$base.Po" >> "$dirpart/.deps/includes"
+    echo "include .${dirpart#${dirmf}}/.deps/$base.Po" >> "${dirmf}/.deps/includes"
   done
 done
 ])

configure

@@ -8971,7 +8971,7 @@ for mf in $files; do
         rm -f "$dirpart/${base}.${suffix}"
       fi
     fi
-    echo "include .deps/$base.Po" >> "$dirpart/.deps/includes"
+    echo "include .${dirpart#${dirmf}}/.deps/$base.Po" >> "${dirmf}/.deps/includes"
   done
 done