(math.h): Add missing quoting of `*' when fixing prototype of `sqr'.

From-SVN: r6111

gcc/fixincludes

@@ -1080,8 +1080,8 @@ if [ -r ${LIB}/$file ]; then
   sed -e 's@atof( char \*__nptr );@atof( const char *__nptr );@' \
       -e 's@inline int abs(int d) { return (d>0)?d:-d; }@@' \
       -e 's@inline double abs(double d) { return fabs(d); }@@' \
-      -e 's@inline int sqr(int x) {return(x*x);}  /* For AT&T compatibility */@@' \
-      -e 's@inline double sqr(double x) {return(x*x);}@@' \
+      -e 's@inline int sqr(int x) {return(x\*x);}  /\* For AT&T compatibility \*/@@' \
+      -e 's@inline double sqr(double x) {return(x\*x);}@@' \
     ${LIB}/$file > ${LIB}/${file}.sed
   rm -f ${LIB}/$file; mv ${LIB}/${file}.sed ${LIB}/$file
   if cmp $file ${LIB}/$file >/dev/null 2>&1; then