Changed the name of the parameter from git-p4.binary to git-p4.p4program

Signed-off-by: Ben Keene <[email protected]>

Author: seraphire

Documentation/git-p4.txt

@@ -547,7 +547,7 @@ git-p4.retries::
 	Set the value to 0 to disable retries or if your p4 version
 	does not support retries (pre 2012.2).
 
-git-p4.binary::
+git-p4.p4program::
 	Specifies the p4 executable used by git-p4 to process commands.
 	The default value for Windows is `p4.exe` and for all other
 	systems the default is `p4`. 

git-p4.py

@@ -88,7 +88,7 @@ def p4_build_cmd(cmd):
     can be done more easily.
     """
     # Look for the P4 binary
-    p4bin = gitConfig("git-p4.binary")
+    p4bin = gitConfig("git-p4.p4program")
     real_cmd = []
     if p4bin != "":
         if path.exists(p4bin):