(svn r18639) -Update: Squirrel from 2.2.3 to 2.2.4

-Revert (r17273): this fix is included in Squirrel 2.2.4

src/3rdparty/squirrel/COMPILE

@@ -1,4 +1,4 @@
-Squirrel 2.2.3 stable
+Squirrel 2.2.4 stable
 --------------------------------------------------------
 What is in this distribution?
 

src/3rdparty/squirrel/HISTORY

@@ -1,3 +1,7 @@
+***version 2.2.4 stable***
+-fixed bug in functions with default parameters
+
+***2009-06-30          ***
 ***version 2.2.3 stable***
 -added sq_getfunctioninfo
 -added compile time flag SQUSEDOUBLE to use double precision floats

src/3rdparty/squirrel/README

@@ -1,4 +1,4 @@
-The programming language SQUIRREL 2.2.3 stable
+The programming language SQUIRREL 2.2.4 stable
 
 --------------------------------------------------
 The project has been compiled and run on Windows(Windows XP/2000 on Intel x86 Windows XP Pro on AMD x64) and

src/3rdparty/squirrel/doc/sqstdlib2.pdf

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src/3rdparty/squirrel/include/squirrel.h

@@ -176,7 +176,7 @@ typedef char SQChar;
 #define MAX_CHAR 0xFF
 #endif
 
-#define SQUIRREL_VERSION	_SC("Squirrel 2.2.3 stable - With custom OpenTTD modifications")
+#define SQUIRREL_VERSION	_SC("Squirrel 2.2.4 stable - With custom OpenTTD modifications")
 #define SQUIRREL_COPYRIGHT	_SC("Copyright (C) 2003-2009 Alberto Demichelis")
 #define SQUIRREL_AUTHOR		_SC("Alberto Demichelis")
 

src/3rdparty/squirrel/squirrel/sqvm.cpp

@@ -334,12 +334,8 @@ bool SQVM::StartCall(SQClosure *closure,SQInteger target,SQInteger args,SQIntege
 	SQInteger nargs = args;
 	if (paramssize != nargs) {
 		SQInteger ndef = func->_ndefaultparams;
-		if(ndef && nargs < paramssize) {
+		SQInteger diff;
-			SQInteger diff = paramssize - nargs;
+		if(ndef && nargs < paramssize && (diff = paramssize - nargs) <= ndef) {
-			if (diff > ndef) {
-				Raise_Error(_SC("wrong number of parameters"));
-				return false;
-			}
 			for(SQInteger n = ndef - diff; n < ndef; n++) {
 				_stack._vals[stackbase + (nargs++)] = closure->_defaultparams[n];
 			}