Pass the correct pointer to munmap on failure.

This won't ever happen, and you're probably screwed anyway if it
does, but that's no excuse...

Change-Id: I2c56f607e351e84308a72b41b834d13aaa98fc62
diff --git a/minzip/SysUtil.c b/minzip/SysUtil.c
index 49a2522..31c76d6 100644
--- a/minzip/SysUtil.c
+++ b/minzip/SysUtil.c
@@ -95,16 +95,16 @@
     if (memPtr == NULL)
         return -1;
 
-    actual = read(fd, memPtr, length);
+    pMap->baseAddr = pMap->addr = memPtr;
+    pMap->baseLength = pMap->length = length;
+
+    actual = TEMP_FAILURE_RETRY(read(fd, memPtr, length));
     if (actual != length) {
         LOGE("only read %d of %d bytes\n", (int) actual, (int) length);
         sysReleaseShmem(pMap);
         return -1;
     }
 
-    pMap->baseAddr = pMap->addr = memPtr;
-    pMap->baseLength = pMap->length = length;
-
     return 0;
 }