Fix misc warnings reported by cppcheck https://bugs.freedesktop.org/show_bug.cgi?id=65544

diff --git a/util/ansi-print.cc b/util/ansi-print.cc
index e166c91..0fc3719 100644
--- a/util/ansi-print.cc
+++ b/util/ansi-print.cc

@@ -157,6 +157,7 @@
   biimage_t (unsigned int width, unsigned int height) :
 		width (width),
 		height (height),
+		bg (0), fg (0), unicolor (true),
 		data ((uint8_t *) malloc (sizeof (data[0]) * width * height)) {}
   ~biimage_t (void)
   { free (data); }

diff --git a/util/hb-ot-shape-closure.cc b/util/hb-ot-shape-closure.cc
index fd9756b..7c81a7d 100644
--- a/util/hb-ot-shape-closure.cc
+++ b/util/hb-ot-shape-closure.cc

@@ -79,8 +79,9 @@
 	first = false;
       else
 	printf (" ");
-      char glyph_name[32];
-      if (show_glyph_names) {
+      if (show_glyph_names)
+      {
+	char glyph_name[64];
 	hb_font_get_glyph_name (font, i, glyph_name, sizeof (glyph_name));
 	printf ("%s", glyph_name);
       } else

diff --git a/util/hb-shape.cc b/util/hb-shape.cc
index 852f9cf..b62f744 100644
--- a/util/hb-shape.cc
+++ b/util/hb-shape.cc

@@ -33,7 +33,10 @@
   output_buffer_t (option_parser_t *parser)
 		  : options (parser,
 			     g_strjoinv ("/", (gchar**) hb_buffer_serialize_list_formats ())),
-		    format (parser) {}
+		    format (parser),
+		    gs (NULL),
+		    line_no (0),
+		    font (NULL) {}
 
   void init (const font_options_t *font_opts)
   {

diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 8fd7ec3..422c8cd 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh

@@ -34,8 +34,10 @@
 struct shape_consumer_t
 {
   shape_consumer_t (option_parser_t *parser)
-		  : shaper (parser),
-		    output (parser) {}
+		  : failed (false),
+		    shaper (parser),
+		    output (parser),
+		    font (NULL) {}
 
   void init (const font_options_t *font_opts)
   {

diff --git a/util/view-cairo.hh b/util/view-cairo.hh
index f273464..8fe74fa 100644
--- a/util/view-cairo.hh
+++ b/util/view-cairo.hh

@@ -31,10 +31,12 @@
 #define VIEW_CAIRO_HH
 
 
-struct view_cairo_t {
+struct view_cairo_t
+{
   view_cairo_t (option_parser_t *parser)
 	       : output_options (parser, helper_cairo_supported_formats),
-	         view_options (parser) {}
+		 view_options (parser),
+		 lines (0), scale (1.0) {}
   ~view_cairo_t (void) {
     if (debug)
       cairo_debug_reset_static_data ();