update revdepchecks

Author: hfrick

revdep/cran.md

@@ -1,6 +1,6 @@
 ## revdepcheck results
 
-We checked 24 reverse dependencies, comparing R CMD check results across CRAN and dev versions of this package.
+We checked 30 reverse dependencies, comparing R CMD check results across CRAN and dev versions of this package.
 
  * We saw 0 new problems
  * We failed to check 0 packages