doc: Fix whitespace errs in .md files, bitcoin.conf, Info.plist.in, and find_bdb48.m4

doc/REST-interface.md

@@ -81,7 +81,7 @@ $ curl localhost:18332/rest/getutxos/checkmempool/b2cdfd7b89def827ff8af7cd9bff76
       {
          "txvers" : 1
          "height" : 2147483647,
-         "value" : 8.8687,		 
+         "value" : 8.8687,
          "scriptPubKey" : {
             "asm" : "OP_DUP OP_HASH160 1c7cebb529b86a04c683dfa87be49de35bcf589e OP_EQUALVERIFY OP_CHECKSIG",
             "hex" : "76a9141c7cebb529b86a04c683dfa87be49de35bcf589e88ac",

doc/init.md

@@ -53,11 +53,11 @@ Paths
 
 All three configurations assume several paths that might need to be adjusted.
 
-Binary:              `/usr/bin/bitcoind`  
-Configuration file:  `/etc/bitcoin/bitcoin.conf`  
-Data directory:      `/var/lib/bitcoind`  
+Binary:              `/usr/bin/bitcoind`
+Configuration file:  `/etc/bitcoin/bitcoin.conf`
+Data directory:      `/var/lib/bitcoind`
 PID file:            `/var/run/bitcoind/bitcoind.pid` (OpenRC and Upstart) or `/run/bitcoind/bitcoind.pid` (systemd)
-Lock file:           `/var/lock/subsys/bitcoind` (CentOS)  
+Lock file:           `/var/lock/subsys/bitcoind` (CentOS)
 
 The PID directory (if applicable) and data directory should both be owned by the
 bitcoin user and group. It is advised for security reasons to make the
@@ -83,10 +83,10 @@ OpenRC).
 
 ### macOS
 
-Binary:              `/usr/local/bin/bitcoind`  
-Configuration file:  `~/Library/Application Support/Bitcoin/bitcoin.conf`  
-Data directory:      `~/Library/Application Support/Bitcoin`  
-Lock file:           `~/Library/Application Support/Bitcoin/.lock`  
+Binary:              `/usr/local/bin/bitcoind`
+Configuration file:  `~/Library/Application Support/Bitcoin/bitcoin.conf`
+Data directory:      `~/Library/Application Support/Bitcoin`
+Lock file:           `~/Library/Application Support/Bitcoin/.lock`
 
 Installing Service Configuration
 -----------------------------------