[PATCH] MyFirstContribution.txt: fix undeclared variable i in sample code

In the sample code given to print the arguments given to ```git psuh```,
the iterating variable i is not declared as integer. I have fixed it so
the error is no longer there.

Signed-off-by: Saksham Mittal <redacted>
---
 Documentation/MyFirstContribution.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/MyFirstContribution.txt b/Documentation/MyFirstContribution.txt
index 015cf24631..434a833a0b 100644
--- a/Documentation/MyFirstContribution.txt
+++ b/Documentation/MyFirstContribution.txt

@@ -297,7 +297,7 @@ existing `printf()` calls in place:
 		  "Your args (there are %d):\n",
 		  argc),
 	       argc);
-	for (i = 0; i < argc; i++)
+	for (int i = 0; i < argc; i++)
 		printf("%d: %s\n", i, argv[i]);
 
 	printf(_("Your current working directory:\n<top-level>%s%s\n"),

-- 
2.33.1