versioncmp: fix typo in versioncmp.c, t/t0022-crlf-rename.sh

The patch fixes two typos in two places.
versioncmp.c:           "fractionnal" -> "fractional"
t/t0022-crlf-rename.sh: "similiarity" -> "similarity"

No functional changes, only update a comment and a test_description.

Signed-off-by: Hardik Kumar <hardikxk@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t0022-crlf-rename.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='ignore CR in CRLF sequence while computing similiarity'
+test_description='ignore CR in CRLF sequence while computing similarity'
 
 . ./test-lib.sh
 

versioncmp.c

@@ -15,7 +15,7 @@
 
 /*
  * states: S_N: normal, S_I: comparing integral part, S_F: comparing
- * fractionnal parts, S_Z: idem but with leading Zeroes only
+ * fractional parts, S_Z: idem but with leading Zeroes only
  */
 #define  S_N    0x0
 #define  S_I    0x3