Fix a bunch of minor typos submitted by Bernhard Fischer.

This commit was SVN r13505.

opal/util/cmd_line.h

@@ -35,7 +35,7 @@
  *
  * The "single dash" name is a multi-character name that only
  * requires a single dash.  This only exists to provide backwards
- * compatability for some well-known command line options in prior
+ * compatibility for some well-known command line options in prior
  * MPI implementations (e.g., "mpirun -np 3").  It should be used
  * sparingly.
  *

opal/util/if.c

@@ -477,7 +477,7 @@ int opal_ifnametoindex(const char* if_name)
 
 
 /*
- *  Attempt to resolve the adddress as either a dotted decimal formated
+ *  Attempt to resolve the adddress as either a dotted decimal formatted
  *  string or a hostname and lookup corresponding interface.
  */
 

opal/util/stacktrace.c

@@ -51,7 +51,7 @@ static char stacktrace_hostname[64];
  * For Linux/Glibc, it then uses backtrace and backtrace_symbols
  * to figure the current stack and then prints that out to stdout.
  * Where available, the BSD libexecinfo is used to provide Linux/Glibc
- * compatable backtrace and backtrace_symbols functions.
+ * compatible backtrace and backtrace_symbols functions.
  * Yes, printf and malloc are not signal-safe per se, but should be 
  * on Linux?
  *