Correct libstdc++ version

The version script is introduced in O

Bug: http://b/28987948
Change-Id: Icd0a27d1b67e8227e44aa6e771816f0e6ed489b8
diff --git a/libc/libstdc++.arm.map b/libc/libstdc++.arm.map
index 70df4e1..63fd8a0 100644
--- a/libc/libstdc++.arm.map
+++ b/libc/libstdc++.arm.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.arm64.map b/libc/libstdc++.arm64.map
index 55be046..60fe9ab 100644
--- a/libc/libstdc++.arm64.map
+++ b/libc/libstdc++.arm64.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.map.txt b/libc/libstdc++.map.txt
index d11d4c0..12e26cd 100644
--- a/libc/libstdc++.map.txt
+++ b/libc/libstdc++.map.txt
@@ -1,4 +1,4 @@
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.mips.map b/libc/libstdc++.mips.map
index 70df4e1..63fd8a0 100644
--- a/libc/libstdc++.mips.map
+++ b/libc/libstdc++.mips.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.mips64.map b/libc/libstdc++.mips64.map
index 55be046..60fe9ab 100644
--- a/libc/libstdc++.mips64.map
+++ b/libc/libstdc++.mips64.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.x86.map b/libc/libstdc++.x86.map
index 70df4e1..63fd8a0 100644
--- a/libc/libstdc++.x86.map
+++ b/libc/libstdc++.x86.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;
diff --git a/libc/libstdc++.x86_64.map b/libc/libstdc++.x86_64.map
index 55be046..60fe9ab 100644
--- a/libc/libstdc++.x86_64.map
+++ b/libc/libstdc++.x86_64.map
@@ -1,5 +1,5 @@
 # Generated by genversion-scripts.py. Do not edit.
-LIBC {
+LIBC_O {
   global:
     _ZdaPv;
     _ZdaPvRKSt9nothrow_t;