char_to_key_code.m: Change loop index type to `int`

Fix the following warning from Xcode's analyzer:

    char_to_key_code.m:62:49: Implicit conversion loses integer
    precision: 'size_t' (aka 'unsigned long') to 'int'

Since `NSNumber` `numberWithInt` takes an `int`, change `i` to `int`.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/char_to_key_code.m b/lib/char_to_key_code.m
index d250648..210536d 100644
--- a/lib/char_to_key_code.m
+++ b/lib/char_to_key_code.m
@@ -53,7 +53,7 @@ NSNumber* charToKeyCode(const char c)
     dict = [NSMutableDictionary dictionary];
 
     // For every keyCode
-    size_t i;
+    int i;
     for (i = 0; i < 128; ++i)
     {
       NSString* str = keyCodeToString((CGKeyCode)i);