c-common.c: Fix comment typos.
* c-common.c: Fix comment typos.
* cfgrtl.c: Likewise.
* collect2.c: Likewise.
* cpplex.c: Likewise.
* doloop.c: Likewise.
* dwarf2out.c: Likewise.
* dwarfout.c: Likewise.
* expr.c: Likewise.
* fold-const.c: Likewise.
* gcc.c: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* global.c: Likewise.
* ifcvt.c: Likewise.
* loop.c: Likewise.
* optabs.c: Likewise.
* protoize.c: Likewise.
* regclass.c: Likewise.
* reorg.c: Likewise.
* rtl.h: Likewise.
* stmt.c: Likewise.
* tree.h: Likewise.
* doc/cpp.texi: Likewise.
* doc/c-tree.texi: Likewise.
* doc/extend.texi: Likewise.
* doc/invoke.texi: Likewise.
* doc/objc.texi: Likewise.
* doc/tm.texi: Likewise.
From-SVN: r46114