Add symbols from addsym.awk to gbuilified .map files.

cppu/util/cppu.map

 UDK_3_0_0 {
     global:
+        _ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions
+
         typelib_typedescription_new;
         typelib_typedescription_newInterface;
         typelib_typedescription_newInterfaceMethod;
@@ -125,3 +127,9 @@ UDK_3.3 {   # OOo 2.4
     global:
         cppu_unsatisfied_iset_msg;
 } UDK_3.2;
+
+# Unique libstdc++ symbols:
+GLIBCXX_3.4 {
+    global:
+        _ZGVNSt7num_put*; _ZNSt7num_put*;
+};

cppu/util/uno_purpenvhelpergcc3.map

 UDK_3_0_0 {
     global:
+        _ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions
+
         _ZN4cppu6helper7purpenv13createMappingEPP12_uno_MappingP16_uno_EnvironmentS6_PFvbPvS7_P33_typelib_TypeDescriptionReferenceP24_typelib_MethodParameter?PK24_typelib_TypeDescriptionS7_PS7_PP8_uno_AnyES7_;
         _ZN4cppu6helper7purpenv29Environment_initWithEnterableEP16_uno_EnvironmentPNS_9EnterableE;
 
     local:
         *;
 };
+
+# Unique libstdc++ symbols:
+GLIBCXX_3.4 {
+    global:
+        _ZGVNSt7num_put*; _ZNSt7num_put*;
+};

sal/util/sal.map

 UDK_3_0_0 {
     global:
-        GetVersionInfo;
+        _ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions
+
         osl_acceptConnectionOnSocket;
         osl_acceptPipe;
         osl_acquireSocket;
@@ -629,3 +630,9 @@ PRIVATE_1.2 { # LibreOffice 3.5
         sal_detail_log;
         sal_detail_logFormat;
 } PRIVATE_1.1;
+
+# Unique libstdc++ symbols:
+GLIBCXX_3.4 {
+    global:
+        _ZGVNSt7num_put*; _ZNSt7num_put*;
+};

sal/util/sal_textenc/saltextenc.map

@@ -26,7 +26,14 @@
 
 UDK_3_0_0 {
     global:
+        _ZTI*; _ZTS*; # weak RTTI symbols for C++ exceptions
         sal_getFullTextEncodingData;
     local:
         *;
 };
+
+# Unique libstdc++ symbols:
+GLIBCXX_3.4 {
+    global:
+        _ZGVNSt7num_put*; _ZNSt7num_put*;
+};