Fix some spacing problems

graphics/nxsu/nx_mousein.c

@@ -172,7 +172,7 @@ int nx_mousein(NXHANDLE handle, nxgl_coord_t x, nxgl_coord_t y, uint8_t buttons)
       y = g_mrange.y - 1;
     }
 
- /* Look any change in values */
+  /* Look any change in values */
 
   if (x != g_mpos.x || y != g_mpos.y || buttons != g_mbutton)
     {

graphics/nxsu/nx_open.c

@@ -151,7 +151,7 @@ static inline int nxsu_setup(FAR NX_DRIVERTYPE *dev,
 
   fe->be.topwnd = &fe->be.bkgd;
 
- /* Initialize the mouse position */
+  /* Initialize the mouse position */
 
 #ifdef CONFIG_NX_XYINPUT
   nxsu_mouseinit(fe->be.vinfo.xres, fe->be.vinfo.yres);

graphics/nxterm/nxterm_kbdin.c

@@ -418,14 +418,14 @@ void nxterm_kbdin(NXTERM handle, FAR const uint8_t *buffer, uint8_t buflen)
       return;
     }
 
- /* Loop until all of the bytes have been written.  This function may be
-  * called from an interrupt handler!  Semaphores cannot be used!
-  *
-  * The write logic only needs to modify the head index.  Therefore,
-  * there is a difference in the way that head and tail are protected:
-  * tail is protected with a semaphore; tail is protected by disabling
-  * interrupts.
-  */
+  /* Loop until all of the bytes have been written.  This function may be
+   * called from an interrupt handler!  Semaphores cannot be used!
+   *
+   * The write logic only needs to modify the head index.  Therefore,
+   * there is a difference in the way that head and tail are protected:
+   * tail is protected with a semaphore; tail is protected by disabling
+   * interrupts.
+   */
 
   for (nwritten = 0; nwritten < buflen; nwritten++)
     {