fix removing of .exe in executable file name when converting a project from...

fix removing of .exe in executable file name when converting a project from windows to another platform

Pm/PmPath.icl

@@ -239,10 +239,10 @@ convert_exec_path_separators_and_extension path
 		= path+++".exe"
 	| separator=='\\'
 		# l=size path
-		| l>4 && path.[l-4]=='\\'
-			&& (path.[l-3]=='e' || path.[l-3]=='e')
-			&& (path.[l-2]=='x' || path.[l-2]=='x')
-			&& (path.[l-1]=='e' || path.[l-1]=='e')
+		| l>4 && path.[l-4]=='.'
+			&& (path.[l-3]=='e' || path.[l-3]=='E')
+			&& (path.[l-2]=='x' || path.[l-2]=='X')
+			&& (path.[l-1]=='e' || path.[l-1]=='E')
 			= path % (0,l-4)
 		= path
 	= path