* Correct casing of rposex - fix issue #39466

(cherry picked from commit cbc2d0351c5506a615d0f6506d9d7e45162131f2)

packages/rtl-objpas/src/inc/strutils.pp

@@ -3053,7 +3053,7 @@ begin
     end;
 end;
 
-function RPosEX(C: char; const S: AnsiString; offs: cardinal): SizeInt;
+function RPosEx(C: char; const S: AnsiString; offs: cardinal): SizeInt;
 
 var I   : SizeUInt;
     p,p2: pChar;
@@ -3116,7 +3116,7 @@ begin
    end;
 end;
 
-function RPosex(const Substr: AnsiString; const Source: AnsiString; offs: cardinal): SizeInt;
+function RPosEx(const Substr: AnsiString; const Source: AnsiString; offs: cardinal): SizeInt;
 var
   MaxLen,llen : SizeInt;
   c : char;
@@ -3145,7 +3145,7 @@ begin
    end;
 end;
 
-function RPosEX(C: unicodechar; const S: UnicodeString; offs: cardinal): SizeInt;
+function RPosEx(C: unicodechar; const S: UnicodeString; offs: cardinal): SizeInt;
 
 var I   : SizeUInt;
     p,p2: PUnicodeChar;
@@ -3207,7 +3207,7 @@ begin
    end;
 end;
 
-function RPosex(const Substr: UnicodeString; const Source: UnicodeString; offs: cardinal): SizeInt;
+function RPosEx(const Substr: UnicodeString; const Source: UnicodeString; offs: cardinal): SizeInt;
 var
   MaxLen,llen : SizeInt;
   c : unicodechar;