Remove exra whitespace from files (#189)

* Remove multiple newlines at the end of files
* Remove the whitespace from the end of lines

graphics/nxbe/nxbe_clipper.c

@@ -275,4 +275,3 @@ void nxbe_clipnull(FAR struct nxbe_clipops_s *cops,
                    FAR const struct nxgl_rect_s *rect)
 {
 }
-

graphics/nxbe/nxbe_flush.c

@@ -109,4 +109,3 @@ void nxbe_flush(FAR struct nxbe_window_s *wnd,
 }
 
 #endif  /* CONFIG_NX_RAMBACKED */
-

graphics/nxbe/nxbe_isvisible.c

@@ -127,4 +127,3 @@ bool nxbe_isvisible(FAR struct nxbe_window_s *wnd,
 
   return info.visible;
 }
-

graphics/nxglib/nxglib_copyrun.h

@@ -322,5 +322,3 @@ nxgl_copyrun_4bpp(FAR const uint8_t *src, FAR uint8_t *dest,
 }
 #endif
 #endif /* __GRAPHICS_NXGLIB_NXGLIB_COPYRUN_H */
-
-

graphics/nxmu/.gitignore

@@ -8,4 +8,3 @@ Make.dep
 *.adb
 *.lib
 *.src
-

graphics/nxmu/Make.defs

@@ -41,4 +41,3 @@ CSRCS += nxmu_start.c
 DEPPATH += --dep-path nxmu
 CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)/graphics/nxmu}
 VPATH += :nxmu
-

graphics/nxmu/nxmu_requestbkgd.c

@@ -97,4 +97,3 @@ void nxmu_requestbkgd(FAR struct nxmu_conn_s *conn,
   nxmu_mousereport(&be->bkgd);
 #endif
 }
-

graphics/nxterm/nx_register.c

@@ -186,4 +186,3 @@ NXTERM nx_register(NXWINDOW hwnd, FAR struct nxterm_window_s *wndo, int minor)
 {
   return nxterm_register((NXTERM)hwnd, wndo, &g_nxops, minor);
 }
-

graphics/nxterm/nxtool_register.c

@@ -188,4 +188,3 @@ NXTERM nxtool_register(NXTKWINDOW hfwnd, FAR struct nxterm_window_s *wndo, int m
 {
   return nxterm_register((NXTERM)hfwnd, wndo, &g_nxtoolops, minor);
 }
-