instrumented_libraries: Fix nss patch

This patch is corrupt:

patch: **** malformed patch at line 54:          return PR_FALSE;

Bug: 1027853

Change-Id: I8cee1172c2dbd5abe28f65c648df343a0c91d882
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1937464Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#719489}

third_party/instrumented_libraries/patches/nss.diff

@@ -31,24 +31,24 @@ diff -rupN ./nss/lib/freebl/Makefile ../nss-3.17.1-patched/nss/lib/freebl/Makefi
 es
 --- ./nss/lib/sysinit/nsssysinit.c	2019-10-23 01:27:12.205366237 +0000
 +++ ../nss-3.17.1-patched/nss/lib/sysinit/nsssysinit.c	2019-10-23 01:26:49.045359974 +0000
-@@ -42,7 +42,9 @@ testdir(char *dir)
+@@ -42,7 +42,9 @@
  static char *
  getUserDB(void)
  {
 -    char *userdir = PR_GetEnvSecure("HOME");
-+    # Prevent nss from trying to pull in PR_GetEnvSecure from libnspr4, which
-+    # the latter library doesn't seem to export.
++    // Prevent nss from trying to pull in PR_GetEnvSecure from libnspr4, which
++    // the latter library doesn't seem to export.
 +    char *userdir = secure_getenv("HOME");
      char *nssdir = NULL;
  
      if (userdir == NULL) {
-@@ -134,7 +134,7 @@ userCanModifySystemDB()
+@@ -134,7 +136,9 @@
  static PRBool
  getFIPSEnv(void)
  {
 -    char *fipsEnv = PR_GetEnvSecure("NSS_FIPS");
-+    # Prevent nss from trying to pull in PR_GetEnvSecure from libnspr4, which
-+    # the latter library doesn't seem to export.
++    // Prevent nss from trying to pull in PR_GetEnvSecure from libnspr4, which
++    // the latter library doesn't seem to export.
 +    char *fipsEnv = secure_getenv("NSS_FIPS");
      if (!fipsEnv) {
          return PR_FALSE;