- Fixed typo for the -- operator (follow-up to r15982)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@15985 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/script.c

@@ -1089,7 +1089,7 @@ const char* parse_variable(const char* p)
 	|| ( p[0] == '%' && p[1] == '=' && (type = C_MOD) ) // %=
 	|| ( p[0] == '~' && p[1] == '=' && (type = C_NOT) ) // ~=
 	|| ( p[0] == '+' && p[1] == '+' && (type = C_ADD_PP) ) // ++
-	|| ( p[0] == '-' && p[1] == '+' && (type = C_SUB_PP) ) // --
+	|| ( p[0] == '-' && p[1] == '-' && (type = C_SUB_PP) ) // --
 	|| ( p[0] == '<' && p[1] == '<' && p[2] == '=' && (type = C_L_SHIFT) ) // <<=
 	|| ( p[0] == '>' && p[1] == '>' && p[2] == '=' && (type = C_R_SHIFT) ) // >>=
 	) )