swtpm: Fix a comparison of different signedness
Fix the following compilation issue:
CC libswtpm_libtpms_la-swtpm_nvstore_linear_file.lo
swtpm_nvstore_linear_file.c: In function 'SWTPM_NVRAM_LinearFile_Flush':
swtpm_nvstore_linear_file.c:238:28: error: comparison of integer expressions of different signedness: 'long int' and 'unsigned int' [-Werror=sign-compare]
| } else if (n == 0 || n > UINT32_MAX) {
Resolves: Issue #1169
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>