🚨 fixed PVS V567 warning

"V567 The modification of the 'position.chars_read_current_line' variable is unsequenced relative to another operation on the same variable. This may lead to undefined behavior."

include/nlohmann/detail/input/lexer.hpp

@@ -1262,7 +1262,7 @@ scan_number_done:
         if (current == '\n')
         {
             ++position.lines_read;
-            ++position.chars_read_current_line = 0;
+            position.chars_read_current_line = 0;
         }
 
         return current;

single_include/nlohmann/json.hpp

@@ -3829,7 +3829,7 @@ scan_number_done:
         if (current == '\n')
         {
             ++position.lines_read;
-            ++position.chars_read_current_line = 0;
+            position.chars_read_current_line = 0;
         }
 
         return current;