Fix typos.

Typos found with codespell.

Please keep in mind that this should have impact on actual code
and must be carefully evaluated:

src/core/or/lttng_circuit.inc
-    ctf_enum_value("CONTROLER", CIRCUIT_PURPOSE_CONTROLLER)
+    ctf_enum_value("CONTROLLER", CIRCUIT_PURPOSE_CONTROLLER)

2 files changed, 2 insertions, 2 deletions

diff --git a/m4/pc_from_ucontext.m4 b/m4/pc_from_ucontext.m4
index 9b66bf752c..61d979622b 100644
--- a/m4/pc_from_ucontext.m4
+++ b/m4/pc_from_ucontext.m4
@@ -54,7 +54,7 @@ AC_DEFUN([AC_PC_FROM_UCONTEXT],
    else
      AC_CHECK_HEADERS(sys/ucontext.h)       # ucontext on OS X 10.6 (at least)
    fi
-   AC_CHECK_HEADERS(cygwin/signal.h)        # ucontext on cywgin
+   AC_CHECK_HEADERS(cygwin/signal.h)        # ucontext on cygwin
    AC_MSG_CHECKING([how to access the program counter from a struct ucontext])
    pc_fields="           uc_mcontext.gregs[[REG_PC]]"  # Solaris x86 (32 + 64 bit)
    pc_fields="$pc_fields uc_mcontext.gregs[[REG_EIP]]" # Linux (i386)
diff --git a/m4/pkg.m4 b/m4/pkg.m4
index 12e9835fba..13e0550be4 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -53,7 +53,7 @@ fi[]dnl
 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
 #
 # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-# only at the first occurence in configure.ac, so if the first place
+# only at the first occurrence in configure.ac, so if the first place
 # it's called might be skipped (such as if it is within an "if", you
 # have to call PKG_CHECK_EXISTS manually
 # --------------------------------------------------------------