libgo: fix typo in configure.ac (PCQUANTUm -> PCQUANTUM)
    
    Reviewed-on: https://go-review.googlesource.com/29154

From-SVN: r240146
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 65badea..987aef7 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-841bea960b1f097e2cff5ad2618800296dcd4ec2
+b34c93bf00ec4f2ad043ec89ff96989e0d1b26aa
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/configure b/libgo/configure
index d3f64d2..137e7a6 100755
--- a/libgo/configure
+++ b/libgo/configure
@@ -13640,7 +13640,7 @@
     GOARCH_FAMILY=ARM64
     GOARCH_CACHELINESIZE=32
     GOARCH_PHYSPAGESIZE=65536
-    GOARCH_PCQUANTUm=4
+    GOARCH_PCQUANTUM=4
     GOARCH_MINFRAMESIZE=8
     ;;
   arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)
diff --git a/libgo/configure.ac b/libgo/configure.ac
index f338545..2224f40 100644
--- a/libgo/configure.ac
+++ b/libgo/configure.ac
@@ -222,7 +222,7 @@
     GOARCH_FAMILY=ARM64
     GOARCH_CACHELINESIZE=32
     GOARCH_PHYSPAGESIZE=65536
-    GOARCH_PCQUANTUm=4
+    GOARCH_PCQUANTUM=4
     GOARCH_MINFRAMESIZE=8
     ;;
   arm*-*-* | strongarm*-*-* | ep9312*-*-* | xscale-*-*)