[committed] RISC-V/doc: Correct the formatting of `-mstack-protector-guard-reg='

[Maciej W. Rozycki]

Add missing second space around the `-mstack-protector-guard-reg=' 
invocation option.

        gcc/
        * doc/invoke.texi (Option Summary): Add missing second space 
        around `-mstack-protector-guard-reg='.
---
Hi,

 Verified with `make info pdf' and committed as obvious.

  Maciej
---
 gcc/doc/invoke.texi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

gcc-riscv-doc-mstack-protector-guard-space.diff
Index: gcc/gcc/doc/invoke.texi
===================================================================
--- gcc.orig/gcc/doc/invoke.texi
+++ gcc/gcc/doc/invoke.texi
@@ -1214,7 +1214,7 @@ See RS/6000 and PowerPC Options.
 -mriscv-attribute  -mno-riscv-attribute @gol
 -malign-data=@var{type} @gol
 -mbig-endian  -mlittle-endian @gol
--mstack-protector-guard=@var{guard} -mstack-protector-guard-reg=@var{reg} @gol
+-mstack-protector-guard=@var{guard}  -mstack-protector-guard-reg=@var{reg} @gol
 -mstack-protector-guard-offset=@var{offset}}
 
 @emph{RL78 Options}