gcc: Fix gcc warnings when compiling on > -O2

Signed-off-by: Pantelis Antoniou <[email protected]>

src/allocator/fy-allocator-mremap.c

@@ -815,7 +815,8 @@ static int fy_mremap_get_tag(struct fy_allocator *a)
 		goto err_out;
 
 	mrt = fy_mremap_tag_from_tag(mra, id);
-	assert(mrt);
+	if (!mrt)
+		goto err_out;
 
 	fy_mremap_tag_setup(mra, mrt);
 

src/lib/fy-diag.c

@@ -600,6 +600,10 @@ void fy_diag_error_atom_display(struct fy_diag *diag, enum fy_error_type type, s
 
 	fy_diag_get_error_colors(diag, type, &color_start, &color_end, &white);
 
+	/* pacify compilers that think these are uninitialized */
+	cols = 0;
+	rowbufsz = 0;
+
 	/* two passes, first one collects extents */
 
 	start_col = -1;