ctype-win1250ch.c, ctype-czech.c:

  Czech collations were renamed to _cs
Index.xml:
  Czech collation were renamed to _cs

sql/share/charsets/Index.xml

@@ -36,7 +36,7 @@ To make maintaining easier please:
   <alias>iso_8859-2</alias>
   <alias>iso_8859-2:1987</alias>
   <alias>l2</alias>
-  <collation name="latin2_czech_ci" 	id="2"	order="Czech" flag="compiled"/>
+  <collation name="latin2_czech_cs" 	id="2"	order="Czech" flag="compiled"/>
   <collation name="latin2_general_ci"	id="9"	flag="primary">
     <order>Hungarian</order>
     <order>Polish</order>
@@ -349,7 +349,7 @@ To make maintaining easier please:
     <order>Slovenian</order>
     <order>Sorbian</order>
   </collation>
-  <collation name="cp1250_czech_ci"	id="34"	order="Czech">
+  <collation name="cp1250_czech_cs"	id="34"	order="Czech">
     <flag>compiled</flag>
   </collation>
   <collation name="cp1250_bin"		id="66"	order="Binary"	flag="binary"/>

strings/ctype-czech.c

@@ -587,7 +587,7 @@ CHARSET_INFO my_charset_latin2_czech_ci =
     2,0,0,				/* number */
     MY_CS_COMPILED|MY_CS_STRNXFRM,	/* state      */
     "latin2",				/* cs name    */
-    "latin2_czech_ci",			/* name */
+    "latin2_czech_cs",			/* name */
     "",					/* comment    */
     ctype_czech,
     to_lower_czech,

strings/ctype-win1250ch.c

@@ -621,7 +621,7 @@ CHARSET_INFO my_charset_cp1250_czech_ci =
   34,0,0,			/* number    */
   MY_CS_COMPILED|MY_CS_STRNXFRM,		/* state     */
   "cp1250",			/* cs name    */
-  "cp1250_czech_ci",		/* name      */
+  "cp1250_czech_cs",		/* name      */
   "",				/* comment   */
   ctype_win1250ch,
   to_lower_win1250ch,