funcs: Spelling fixes

Correct typos of the following word families:

effectively
emitted
expect
anthony

ASTERISK-29714

Change-Id: Ic16f9ec855bb6d14ec8e170b90af9a36b06d488a

funcs/func_pitchshift.c

@@ -330,14 +330,14 @@ static void smb_pitch_shift(float pitchShift, long num_samps_to_process, long ff
 	float *sys_magn = fft_data->sys_magn;
 
 	double magn, phase, tmp, window, real, imag;
-	double freq_per_bin, expct;
+	double freq_per_bin, expect;
 	long i,k, qpd, index, in_fifo_latency, step_size, fft_frame_size2;
 
 	/* set up some handy variables */
 	fft_frame_size2 = fft_frame_size / 2;
 	step_size = fft_frame_size / osamp;
 	freq_per_bin = sample_rate / (double) fft_frame_size;
-	expct = 2. * M_PI * (double) step_size / (double) fft_frame_size;
+	expect = 2. * M_PI * (double) step_size / (double) fft_frame_size;
 	in_fifo_latency = fft_frame_size-step_size;
 
 	if (fft_data->gRover == 0) {
@@ -383,7 +383,7 @@ static void smb_pitch_shift(float pitchShift, long num_samps_to_process, long ff
 				last_phase[k] = phase;
 
 				/* subtract expected phase difference */
-				tmp -= (double) k * expct;
+				tmp -= (double) k * expect;
 
 				/* map delta phase into +/- Pi interval */
 				qpd = tmp / M_PI;
@@ -436,7 +436,7 @@ static void smb_pitch_shift(float pitchShift, long num_samps_to_process, long ff
 				tmp = 2. * M_PI * tmp / osamp;
 
 				/* add the overlap phase advance back in */
-				tmp += (double) k * expct;
+				tmp += (double) k * expect;
 
 				/* accumulate delta phase to get bin phase */
 				sum_phase[k] += tmp;

funcs/func_sprintf.c

@@ -21,7 +21,7 @@
  * \brief String manipulation dialplan functions
  *
  * \author Tilghman Lesher
- * \author Anothony Minessale II
+ * \author Anthony Minessale II
  * \ingroup functions
  */
 

funcs/func_strings.c

@@ -22,7 +22,7 @@
  * \brief String manipulation dialplan functions
  *
  * \author Tilghman Lesher
- * \author Anothony Minessale II
+ * \author Anthony Minessale II
  * \author Naveen Albert
  * \ingroup functions
  */
@@ -149,7 +149,7 @@ AST_THREADSTORAGE(tmp_buf);
 		<description>
 			<para>Searches for all instances of the <replaceable>find-string</replaceable> in provided variable and
 			replaces them with <replaceable>replace-string</replaceable>.  If <replaceable>replace-string</replaceable>
-			is an empty string, this will effecively delete that substring.  If <replaceable>max-replacements</replaceable>
+			is an empty string, this will effectively delete that substring.  If <replaceable>max-replacements</replaceable>
 			is specified, this function will stop after performing replacements <replaceable>max-replacements</replaceable> times.</para>
 			<note><para>The replacement only occurs in the output.  The original variable is not altered.</para></note>
 		</description>

funcs/func_talkdetect.c

@@ -77,7 +77,7 @@
 		</syntax>
 		<description>
 			<para>The TALK_DETECT function enables events on the channel
-			it is applied to. These events can be emited over AMI, ARI, and
+			it is applied to. These events can be emitted over AMI, ARI, and
 			potentially other Asterisk modules that listen for the internal
 			notification.</para>
 			<para>The function has two parameters that can optionally be passed