Upgrading to valgrind 3.7.0 since I'm on linux3

.gitignore

@@ -32,3 +32,4 @@ ex8
 ex9
 .exrc
 .rvmrc
+valgrind-*

ex4.sh

@@ -1,14 +1,14 @@
 # 1) Download it (use wget if you don't have curl)
-curl -O http://valgrind.org/downloads/valgrind-3.6.1.tar.bz2
+curl -O http://valgrind.org/downloads/valgrind-3.7.0.tar.bz2
 
 # use md5sum to make sure it matches the one on the site
-md5sum valgrind-3.6.1.tar.bz2
+md5sum valgrind-3.7.0.tar.bz2
 
 # 2) Unpack it.
-tar -xjvf valgrind-3.6.1.tar.bz2
+tar -xjvf valgrind-3.7.0.tar.bz2
 
 # cd into the newly created directory
-cd valgrind-3.6.1
+cd valgrind-3.7.0
 
 # 3) configure it
 ./configure