.gitconfig: improve git p alias (mathiasbynens#896)

Fix a bug introduced in mathiasbynens#868, originally proposed in mathiasbynens#826.

.gitconfig

@@ -13,7 +13,7 @@
  di = !"d() { git diff --patch-with-stat HEAD~$1; }; git diff-index --quiet HEAD -- || clear; d"
 
  # Pull in remote changes for the current repository and all its submodules
- p = git pull --recurse-submodules
+ p = pull --recurse-submodules
 
  # Clone a repository including all submodules
  c = clone --recursive