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-rw-r--r--src/emu/input.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/emu/input.cpp b/src/emu/input.cpp
index 41f7b132bac..2d19e6b1bf4 100644
--- a/src/emu/input.cpp
+++ b/src/emu/input.cpp
@@ -535,8 +535,8 @@ const char *joystick_map::to_string(std::string &str) const
for (auto & elem : m_map)
{
str.append(" ");
- for (int colnum = 0; colnum < 9; colnum++)
- switch (elem[colnum])
+ for (auto & elem_colnum : elem)
+ switch (elem_colnum)
{
case JOYSTICK_MAP_UP | JOYSTICK_MAP_LEFT: str.append("7"); break;
case JOYSTICK_MAP_UP: str.append("8"); break;