Make the dep-info-no-analysis regex more robust on Windows.

Author: SiegeLordEx

src/test/run-make/dep-info-no-analysis/Makefile

@@ -2,5 +2,5 @@
 
 all:
 	$(RUSTC) -o $(TMPDIR)/input.dd -Z no-analysis --emit dep-info input.rs
-	sed -i "s@$(TMPDIR)/@@g" $(TMPDIR)/input.dd
+	sed -i "s/^.*input.dd/input.dd/g" $(TMPDIR)/input.dd
 	diff -u $(TMPDIR)/input.dd input.dd