Fixed #1455 (#1456)

* Fixed #1455

Fixed writing out of array bounds
Adjusted FPS comment to match value
Deleted unused function at the end, which has never been in use in the history of this file

* Fixed #1455

Readded the function

examples/text/text_input_box.c

@@ -30,7 +30,7 @@ int main(void)
 
     int framesCounter = 0;
 
-    SetTargetFPS(10);               // Set our game to run at 60 frames-per-second
+    SetTargetFPS(10);               // Set our game to run at 10 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
@@ -65,9 +65,8 @@ int main(void)
             if (IsKeyPressed(KEY_BACKSPACE))
             {
                 letterCount--;
-                name[letterCount] = '\0';
-
                 if (letterCount < 0) letterCount = 0;
+                name[letterCount] = '\0';
             }
         }
         else if (GetMouseCursor() != MOUSE_CURSOR_DEFAULT) SetMouseCursor(MOUSE_CURSOR_DEFAULT);
@@ -124,4 +123,4 @@ bool IsAnyKeyPressed()
     if ((key >= 32) && (key <= 126)) keyPressed = true;
 
     return keyPressed;
-}
+}