Add specs for libsass issue 1812

Author: mgreter

spec/libsass-todo-issues/issue_1812/expected.compact.css

@@ -0,0 +1,2 @@
+@svg-load test url(foo.svg) { fill: red; }
+.foo { background: svg-inline(test); }

spec/libsass-todo-issues/issue_1812/expected.compressed.css

@@ -0,0 +1 @@
+@svg-load test url(foo.svg){fill:red}.foo{background:svg-inline(test)}

spec/libsass-todo-issues/issue_1812/expected.expanded.css

@@ -0,0 +1,6 @@
+@svg-load test url(foo.svg) {
+  fill: red;
+}
+.foo {
+  background: svg-inline(test);
+}

spec/libsass-todo-issues/issue_1812/expected_output.css

@@ -0,0 +1,4 @@
+@svg-load test url(foo.svg) {
+  fill: red; }
+.foo {
+  background: svg-inline(test); }

spec/libsass-todo-issues/issue_1812/input.scss

@@ -0,0 +1,7 @@
+@svg-load test url(foo.svg) {
+  fill: red;
+}
+
+.foo {
+  background: svg-inline(test);
+}