igraph/igraph — pull request #790 by mvngu (2014-12-14 06:57:23+00:00)
Title: remove some GCC warnings about unused variables

Fix some GCC warnings about unused variables in `src/cs/cs_qr.c` and `src/scg.c`. This addresses some part of issue #297. I have another bunch of warning fixes for files under `src/CHOLMOD` if you're interested.