Small patch (rtems-rc-19991117-5.diff) from Ralf Corsepius

<corsepiu@faw.uni-ulm.de> to correct the constraints on the
inline assembly language macro for sh_disable_interrupt.

c/src/exec/score/cpu/sh/rtems/score/sh.h

@@ -77,7 +77,7 @@ extern "C" {
   asm volatile ( \
     "stc sr,%0\n\t" \
     "ldc %1,sr\n\t"\
-  : "=r" (_level ) \
+  : "=&r" (_level ) \
   : "r" (SH_IRQDIS_VALUE) ); 
 
 #define sh_enable_interrupts( _level ) \

cpukit/score/cpu/sh/rtems/score/sh.h

@@ -77,7 +77,7 @@ extern "C" {
   asm volatile ( \
     "stc sr,%0\n\t" \
     "ldc %1,sr\n\t"\
-  : "=r" (_level ) \
+  : "=&r" (_level ) \
   : "r" (SH_IRQDIS_VALUE) ); 
 
 #define sh_enable_interrupts( _level ) \