[gnome-builder] icons: add container-terminal-symbolic

[Christian Hergert <chergert src gnome org>]

commit 52403497f6b0a01f731b32c201e389c3bda14e04
Author: Christian Hergert <chergert redhat com>
Date:   Thu May 2 11:25:42 2019 -0700

    icons: add container-terminal-symbolic

 data/icons/hicolor/scalable/actions/container-terminal-symbolic.svg | 6 ++++++
 src/plugins/terminal/gbp-terminal-workspace-addin.c                 | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/data/icons/hicolor/scalable/actions/container-terminal-symbolic.svg 
b/data/icons/hicolor/scalable/actions/container-terminal-symbolic.svg
new file mode 100644
index 000000000..b3803989f
--- /dev/null
+++ b/data/icons/hicolor/scalable/actions/container-terminal-symbolic.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"; width="16.018" height="16">
+    <g color="#000" font-weight="400" font-family="sans-serif" fill="#2e3436">
+        <path d="M2.98 1l-.416.043-.101.01-.096.03-.025.007.336 1.09.086.852.357-.035H5.08v-2h-2zm4.1 
1.996h2v-2h-2zm4 0h1.838l.062.006.2-1.988L13.055 
1l-.05-.004H11.08zm2.76.48l.09.167.06.2.028.276v.828h2V4.008l-.006-.049-.041-.418-.01-.1-.03-.095-.12-.387-.03-.096-.047-.086-.137-.252zM.104
 3.347l-.03.095-.01.1-.043.418-.004.049v1.26h2V4.102l.028-.262.08-.258L.213 2.99zm13.914 5.601h2v-2h-2zm-14 
.32h2v-2h-2zm14 2.606l-.028.275-.062.204-.041.076.015.008-.002.006.028.008 
1.716.93.09-.167.047-.085.03-.094.12-.389.03-.096.01-.1.041-.415.006-.051v-1.035h-2zm-14 
.06v.05l.004.05.043.416.01.1.029.095.121.39.027.093.047.086.192.351.044.084.063.076.07.086 
1.21-.998.37-.2-.039-.073.002-.002-.01-.012-.095-.176-.061-.195-.027-.264v-.623h-2zm12.878 
1.063h-1.718v2h1.827l.05-.006.222-.021-.199-1.99zm-9.718 2h2v-2h-2zm4 0h2v-2h-2zM3.736 3.988a.73.73 0 0 
0-.72.721v6.629c0 .39.33.723.72.723h8.575c.39 0 .72-.332.72-.723V4.709a.73.73 0 0 0-.72-.72zm.28 
1h8.015v6.073H4.016z" style="line-height:n
 ormal;fo
 
nt-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000;text-transform:none;text-orientation:mixed;white-space:normal;shape-padding:0;isolation:auto;mix-blend-mode:normal;solid-color:#000;solid-opacity:1;marker:none"
 overflow="visible"/>
+        <path d="M6.371 5.654l-.707.707 1.647 1.647-1.647 1.646.707.707 2.354-2.353z" 
style="line-height:normal;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000;text-transform:none;text-orientation:mixed;white-space:normal;shape-padding:0;isolation:auto;mix-blend-mode:normal;solid-color:#000;solid-opacity:1;marker:none"
 overflow="visible"/>
+    </g>
+</svg>
diff --git a/src/plugins/terminal/gbp-terminal-workspace-addin.c 
b/src/plugins/terminal/gbp-terminal-workspace-addin.c
index 7f15a8269..6d1bccaea 100644
--- a/src/plugins/terminal/gbp-terminal-workspace-addin.c
+++ b/src/plugins/terminal/gbp-terminal-workspace-addin.c
@@ -462,7 +462,7 @@ gbp_terminal_workspace_addin_load (IdeWorkspaceAddin *addin,
                              "focus-on-click", FALSE,
                              "action-name", "win.new-terminal",
                              "child", g_object_new (GTK_TYPE_IMAGE,
-                                                    "icon-name", "tab-new-symbolic",
+                                                    "icon-name", "container-terminal-symbolic",
                                                     "visible", TRUE,
                                                     NULL),
                              "visible", TRUE,