Fix the vc target in the paper and memo Makefiles

vc:	resources/vc-git declared a prerequisite rather than a recipe, so
make vc reported nothing to be done and wrote no vc file.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

memo_template/Makefile

@@ -22,7 +22,8 @@ clean:
 viewpdf: all
 	evince *.pdf
 
-vc:	resources/vc-git
+vc:
+	resources/vc-git
 
 pdf: all
 

paper_template/Makefile

@@ -22,7 +22,8 @@ clean:
 viewpdf: all
 	evince *.pdf
 
-vc:	resources/vc-git
+vc:
+	resources/vc-git
 
 pdf: all