GUAC-236: Correct typos in comments.

src/guacenc/guacenc.c

@@ -45,7 +45,7 @@ int main(int argc, char* argv[]) {
     int opt;
     while ((opt = getopt(argc, argv, "s:r:")) != -1) {
 
-        /* -d: Dimensions */
+        /* -s: Dimensions (WIDTHxHEIGHT) */
         if (opt == 's') {
             if (guacenc_parse_dimensions(optarg, &width, &height)) {
                 guacenc_log(GUAC_LOG_ERROR, "Invalid dimensions.");

src/guacenc/image-stream.h

@@ -30,7 +30,7 @@
 
 /**
  * The initial number of bytes to allocate for the image data buffer. If this
- * buffer is not sufficiently larged, it will be dynamically reallocated as it
+ * buffer is not sufficiently large, it will be dynamically reallocated as it
  * grows.
  */
 #define GUACENC_IMAGE_STREAM_INITIAL_LENGTH 4096