[trywhy3] Properly set the path of embedded files in the pseudo-filesystem.

Makefile.in

@@ -1501,11 +1501,11 @@ trywhy3_package: trywhy3
 trywhy3: src/trywhy3/trywhy3.js src/trywhy3/why3_worker.js src/trywhy3/alt_ergo_worker.js
 
 src/trywhy3/trywhy3.js: src/trywhy3/trywhy3.byte src/trywhy3/why3_worker.js src/trywhy3/alt_ergo_worker.js src/trywhy3/examples/*.mlw
-	js_of_ocaml $(JSOO_DEBUG) -I src/trywhy3 \
+	js_of_ocaml --extern-fs $(JSOO_DEBUG) -I src/trywhy3 \
 		--file=why3_worker.js:/ \
 		--file=alt_ergo_worker.js:/ \
-	        --file=examples/index.txt:/ \
-		`find src/trywhy3/examples \( -name "*.mlw" -o -name "*.why" \) -printf " --file=examples/%P:/"` \
+	        --file=examples/index.txt:/examples/index.txt \
+		`find src/trywhy3/examples \( -name "*.mlw" -o -name "*.why" \) -printf " --file=examples/%P:/examples/%P"` \
 	+weak.js +nat.js $<
 
 src/trywhy3/trywhy3.byte: src/trywhy3/worker_proto.cmo src/trywhy3/trywhy3.cmo
@@ -1515,7 +1515,7 @@ src/trywhy3/trywhy3.byte: src/trywhy3/worker_proto.cmo src/trywhy3/trywhy3.cmo
 src/trywhy3/why3_worker.js: src/trywhy3/why3_worker.byte
 	js_of_ocaml $(JSOO_DEBUG) --extern-fs -I . -I src/trywhy3 --file=trywhy3.conf:/ \
 		--file=try_alt_ergo.drv:/ \
-		`find theories modules \( -name "*.mlw" -o -name "*.why" \) -printf " --file=%p:/"` \
+		`find theories modules \( -name "*.mlw" -o -name "*.why" \) -printf " --file=%p:/%p"` \
 	+weak.js +nat.js $<
 
 src/trywhy3/why3_worker.byte: $(TRYWHY3CMO) src/trywhy3/worker_proto.cmo src/trywhy3/why3_worker.cmo